how to cite a book in a research paper

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MLA Works Cited Page: Books

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When you are gathering book sources, be sure to make note of the following bibliographic items: the author name(s), other contributors such as translators or editors, the book’s title, editions of the book, the publication date, the publisher, and the pagination.

The 8 th  edition of the MLA handbook highlights principles over prescriptive practices. Essentially, a writer will need to take note of primary elements in every source, such as author, title, etc. and then assort them in a general format. Thus, by using this methodology, a writer will be able to cite any source regardless of whether it’s included in this list.

Please note these changes in the new edition:

• Commas are used instead of periods between Publisher, Publication Date, and Pagination.
• Medium is no longer necessary.
• Containers are now a part of the MLA process. Commas should be used after container titles.
• DOIs should be used instead of URLS when available.
• Use the term “Accessed” instead of listing the date or the abbreviation, “n.d."

Below is the general format for any citation:

Author. Title. Title of container (do not list container for standalone books, e.g. novels), Other contributors (translators or editors), Version (edition), Number (vol. and/or no.), Publisher, Publication Date, Location (pages, paragraphs URL or DOI). 2 nd  container’s title, Other contributors, Version, Number, Publisher, Publication date, Location, Date of Access (if applicable).

Basic Book Format

The author’s name or a book with a single author's name appears in last name, first name format. The basic form for a book citation is:

Last Name, First Name. Title of Book . City of Publication, Publisher, Publication Date.

* Note: the City of Publication should only be used if the book was published before 1900, if the publisher has offices in more than one country, or if the publisher is unknown in North America.

Book with One Author

Gleick, James. Chaos: Making a New Science . Penguin, 1987.

Henley, Patricia. The Hummingbird House . MacMurray, 1999.

Book with More Than One Author

When a book has two authors, order the authors in the same way they are presented in the book. Start by listing the first name that appears on the book in last name, first name format; subsequent author names appear in normal order (first name last name format).

Gillespie, Paula, and Neal Lerner. The Allyn and Bacon Guide to Peer Tutoring . Allyn and Bacon, 2000.

If there are three or more authors, list only the first author followed by the phrase et al. (Latin for "and others") in place of the subsequent authors' names. (Note that there is a period after “al” in “et al.” Also note that there is never a period after the “et” in “et al.”).

Wysocki, Anne Frances, et al. Writing New Media: Theory and Applications for Expanding the Teaching of Composition . Utah State UP, 2004.

Two or More Books by the Same Author

List works alphabetically by title. (Remember to ignore articles like A, An, and The.) Provide the author’s name in last name, first name format for the first entry only. For each subsequent entry by the same author, use three hyphens and a period.

Palmer, William J. Dickens and New Historicism . St. Martin's, 1997.

---. The Films of the Eighties: A Social History . Southern Illinois UP, 1993.

Book by a Corporate Author or Organization

A corporate author may include a commission, a committee, a government agency, or a group that does not identify individual members on the title page.

List the names of corporate authors in the place where an author’s name typically appears at the beginning of the entry.

American Allergy Association. Allergies in Children . Random House, 1998.

When the author and publisher are the same, skip the author, and list the title first. Then, list the corporate author only as the publisher.

Fair Housing—Fair Lending. Aspen Law & Business, 1985.

Book with No Author

List by title of the book. Incorporate these entries alphabetically just as you would with works that include an author name. For example, the following entry might appear between entries of works written by Dean, Shaun and Forsythe, Jonathan.

Encyclopedia of Indiana . Somerset, 1993.

Remember that for an in-text (parenthetical) citation of a book with no author, you should provide the name of the work in the signal phrase and the page number in parentheses. You may also use a shortened version of the title of the book accompanied by the page number. For more information see the In-text Citations for Print Sources with No Known Author section of In-text Citations: The Basics .

A Translated Book

If you want to emphasize the work rather than the translator, cite as you would any other book. Add “translated by” and follow with the name(s) of the translator(s).

Foucault, Michel. Madness and Civilization: A History of Insanity in the Age of Reason . Translated by Richard Howard, Vintage-Random House, 1988.

If you want to focus on the translation, list the translator as the author. In place of the author’s name, the translator’s name appears. His or her name is followed by the label, “translator.” If the author of the book does not appear in the title of the book, include the name, with a “By” after the title of the book and before the publisher. Note that this type of citation is less common and should only be used for papers or writing in which translation plays a central role.

Howard, Richard, translator. Madness and Civilization: A History of Insanity in the Age of Reason . By Michel Foucault, Vintage-Random House, 1988.

Republished Book

Books may be republished due to popularity without becoming a new edition. New editions are typically revisions of the original work. For books that originally appeared at an earlier date and that have been republished at a later one, insert the original publication date before the publication information.

For books that are new editions (i.e. different from the first or other editions of the book), see An Edition of a Book below.

Butler, Judith. Gender Trouble . 1990. Routledge, 1999.

Erdrich, Louise. Love Medicine . 1984. Perennial-Harper, 1993.

An Edition of a Book

There are two types of editions in book publishing: a book that has been published more than once in different editions and a book that is prepared by someone other than the author (typically an editor).

A Subsequent Edition

Cite the book as you normally would, but add the number of the edition after the title.

Crowley, Sharon, and Debra Hawhee. Ancient Rhetorics for Contemporary Students . 3rd ed., Pearson, 2004.

A Work Prepared by an Editor

Cite the book as you normally would, but add the editor after the title with the label "edited by."

Bronte, Charlotte. Jane Eyre,  edited by Margaret Smith, Oxford UP, 1998.

Note that the format for citing sources with important contributors with editor-like roles follows the same basic template:

...adapted by John Doe...

Finally, in the event that the source features a contributor that cannot be described with a past-tense verb and the word "by" (e.g., "edited by"), you may instead use a noun followed by a comma, like so:

...guest editor, Jane Smith...

Anthology or Collection (e.g. Collection of Essays)

To cite the entire anthology or collection, list by editor(s) followed by a comma and "editor" or, for multiple editors, "editors." This sort of entry is somewhat rare. If you are citing a particular piece within an anthology or collection (more common), see A Work in an Anthology, Reference, or Collection below.

Hill, Charles A., and Marguerite Helmers, editors. Defining Visual Rhetorics . Lawrence Erlbaum Associates, 2004.

Peterson, Nancy J., editor. Toni Morrison: Critical and Theoretical Approaches . Johns Hopkins UP, 1997.

A Work in an Anthology, Reference, or Collection

Works may include an essay in an edited collection or anthology, or a chapter of a book. The basic form is for this sort of citation is as follows:

Last name, First name. "Title of Essay." Title of Collection , edited by Editor's Name(s), Publisher, Year, Page range of entry.

Some examples:

Harris, Muriel. "Talk to Me: Engaging Reluctant Writers." A Tutor's Guide: Helping Writers One to One , edited by Ben Rafoth, Heinemann, 2000, pp. 24-34.

Swanson, Gunnar. "Graphic Design Education as a Liberal Art: Design and Knowledge in the University and The 'Real World.'" The Education of a Graphic Designer , edited by Steven Heller, Allworth Press, 1998, pp. 13-24.

Note on Cross-referencing Several Items from One Anthology: If you cite more than one essay from the same edited collection, MLA indicates you may cross-reference within your works cited list in order to avoid writing out the publishing information for each separate essay. You should consider this option if you have several references from a single text. To do so, include a separate entry for the entire collection listed by the editor's name as below:

Rose, Shirley K, and Irwin Weiser, editors. The Writing Program Administrator as Researcher . Heinemann, 1999.

Then, for each individual essay from the collection, list the author's name in last name, first name format, the title of the essay, the editor's last name, and the page range:

L'Eplattenier, Barbara. "Finding Ourselves in the Past: An Argument for Historical Work on WPAs." Rose and Weiser, pp. 131-40.

Peeples, Tim. "'Seeing' the WPA With/Through Postmodern Mapping." Rose and Weiser, pp. 153-67.

Please note: When cross-referencing items in the works cited list, alphabetical order should be maintained for the entire list.

Poem or Short Story Examples :

Burns, Robert. "Red, Red Rose." 100 Best-Loved Poems, edited by Philip Smith, Dover, 1995, p. 26.

Kincaid, Jamaica. "Girl." The Vintage Book of Contemporary American Short Stories , edited by Tobias Wolff, Vintage, 1994, pp. 306-07.

If the specific literary work is part of the author's own collection (all of the works have the same author), then there will be no editor to reference:

Whitman, Walt. "I Sing the Body Electric." Selected Poems, Dover, 1991, pp. 12-19.

Carter, Angela. "The Tiger's Bride." Burning Your Boats: The Collected Stories, Penguin, 1995, pp. 154-69.

Article in a Reference Book (e.g. Encyclopedias, Dictionaries)

For entries in encyclopedias, dictionaries, and other reference works, cite the entry name as you would any other work in a collection but do not include the publisher information. Also, if the reference book is organized alphabetically, as most are, do not list the volume or the page number of the article or item.

"Ideology." The American Heritage Dictionary.  3rd ed. 1997. 

A Multivolume Work

When citing only one volume of a multivolume work, include the volume number after the work's title, or after the work's editor or translator.

Quintilian. Institutio Oratoria . Translated by H. E. Butler, vol. 2, Loeb-Harvard UP, 1980.

When citing more than one volume of a multivolume work, cite the total number of volumes in the work. Also, be sure in your in-text citation to provide both the volume number and page number(s) ( see "Citing Multivolume Works" on our in-text citations resource .)

Quintilian. Institutio Oratoria . Translated by H. E. Butler, Loeb-Harvard UP, 1980. 4 vols.

If the volume you are using has its own title, cite the book without referring to the other volumes as if it were an independent publication.

Churchill, Winston S. The Age of Revolution . Dodd, 1957.

An Introduction, Preface, Foreword, or Afterword

When citing an introduction, a preface, a foreword, or an afterword, write the name of the author(s) of the piece you are citing. Then give the name of the part being cited, which should not be italicized or enclosed in quotation marks; in italics, provide the name of the work and the name of the author of the introduction/preface/foreword/afterword. Finish the citation with the details of publication and page range.

Farrell, Thomas B. Introduction. Norms of Rhetorical Culture , by Farrell, Yale UP, 1993, pp. 1-13.

If the writer of the piece is different from the author of the complete work , then write the full name of the principal work's author after the word "By." For example, if you were to cite Hugh Dalziel Duncan’s introduction of Kenneth Burke’s book Permanence and Change, you would write the entry as follows:

Duncan, Hugh Dalziel. Introduction. Permanence and Change: An Anatomy of Purpose, by Kenneth Burke, 1935, 3rd ed., U of California P, 1984, pp. xiii-xliv.

Book Published Before 1900

Original copies of books published before 1900 are usually defined by their place of publication rather than the publisher. Unless you are using a newer edition, cite the city of publication where you would normally cite the publisher.

Thoreau, Henry David. Excursions . Boston, 1863.

Italicize “The Bible” and follow it with the version you are using. Remember that your in-text (parenthetical citation) should include the name of the specific edition of the Bible, followed by an abbreviation of the book, the chapter and verse(s). (See Citing the Bible at In-Text Citations: The Basics .)

The Bible. Authorized King James Version , Oxford UP, 1998.

The Bible. The New Oxford Annotated Version , 3rd ed., Oxford UP, 2001.

The New Jerusalem Bible. Edited by Susan Jones, Doubleday, 1985.

A Government Publication

Cite the author of the publication if the author is identified. Otherwise, start with the name of the national government, followed by the agency (including any subdivisions or agencies) that serves as the organizational author. For congressional documents, be sure to include the number of the Congress and the session when the hearing was held or resolution passed as well as the report number. US government documents are typically published by the Government Printing Office.

United States, Congress, Senate, Committee on Energy and Natural Resources. Hearing on the Geopolitics of Oil . Government Printing Office, 2007. 110th Congress, 1st session, Senate Report 111-8.

United States, Government Accountability Office. Climate Change: EPA and DOE Should Do More to Encourage Progress Under Two Voluntary Programs . Government Printing Office, 2006.

Cite the title and publication information for the pamphlet just as you would a book without an author. Pamphlets and promotional materials commonly feature corporate authors (commissions, committees, or other groups that does not provide individual group member names). If the pamphlet you are citing has no author, cite as directed below. If your pamphlet has an author or a corporate author, put the name of the author (last name, first name format) or corporate author in the place where the author name typically appears at the beginning of the entry. (See also Books by a Corporate Author or Organization above.)

Women's Health: Problems of the Digestive System . American College of Obstetricians and Gynecologists, 2006.

Your Rights Under California Welfare Programs . California Department of Social Services, 2007.

Dissertations and Master's Theses

Dissertations and master's theses may be used as sources whether published or not. Unlike previous editions, MLA 8 specifies no difference in style for published/unpublished works.

The main elements of a dissertation citation are the same as those for a book: author name(s), title (italicized) , and publication date. Conclude with an indication of the document type (e.g., "PhD dissertation"). The degree-granting institution may be included before the document type (though this is not required). If the dissertation was accessed through an online repository, include it as the second container after all the other elements.

Bishop, Karen Lynn. Documenting Institutional Identity: Strategic Writing in the IUPUI Comprehensive Campaign . 2002. Purdue University, PhD dissertation.

Bile, Jeffrey. Ecology, Feminism, and a Revised Critical Rhetoric: Toward a Dialectical Partnership . 2005. Ohio University, PhD dissertation.

Mitchell, Mark. The Impact of Product Quality Reducing Events on the Value of Brand-Name Capital: Evidence from Airline Crashes and the 1982 Tylenol Poisonings.  1987. PhD dissertation.  ProQuest Dissertations and Theses.

List the names of corporate authors in the place where an author’s name typically appears at the beginning of the entry if the author and publisher are not the same.

Fair Housing—Fair Lending. Aspen Law & Business, 1985.

Home / Guides / Citation Guides / How to Cite Sources

How to Cite Sources

Here is a complete list for how to cite sources. Most of these guides present citation guidance and examples in MLA, APA, and Chicago.

If you’re looking for general information on MLA or APA citations , the EasyBib Writing Center was designed for you! It has articles on what’s needed in an MLA in-text citation , how to format an APA paper, what an MLA annotated bibliography is, making an MLA works cited page, and much more!

MLA Format Citation Examples

The Modern Language Association created the MLA Style, currently in its 9th edition, to provide researchers with guidelines for writing and documenting scholarly borrowings.  Most often used in the humanities, MLA style (or MLA format ) has been adopted and used by numerous other disciplines, in multiple parts of the world.

MLA provides standard rules to follow so that most research papers are formatted in a similar manner. This makes it easier for readers to comprehend the information. The MLA in-text citation guidelines, MLA works cited standards, and MLA annotated bibliography instructions provide scholars with the information they need to properly cite sources in their research papers, articles, and assignments.

• Book Chapter
• Conference Paper
• Documentary
• Encyclopedia
• Google Images
• Kindle Book
• Memorial Inscription
• Museum Exhibit
• Painting or Artwork
• PowerPoint Presentation
• Sheet Music
• Thesis or Dissertation
• YouTube Video

APA Format Citation Examples

The American Psychological Association created the APA citation style in 1929 as a way to help psychologists, anthropologists, and even business managers establish one common way to cite sources and present content.

APA is used when citing sources for academic articles such as journals, and is intended to help readers better comprehend content, and to avoid language bias wherever possible. The APA style (or APA format ) is now in its 7th edition, and provides citation style guides for virtually any type of resource.

Chicago Style Citation Examples

The Chicago/Turabian style of citing sources is generally used when citing sources for humanities papers, and is best known for its requirement that writers place bibliographic citations at the bottom of a page (in Chicago-format footnotes ) or at the end of a paper (endnotes).

The Turabian and Chicago citation styles are almost identical, but the Turabian style is geared towards student published papers such as theses and dissertations, while the Chicago style provides guidelines for all types of publications. This is why you’ll commonly see Chicago style and Turabian style presented together. The Chicago Manual of Style is currently in its 17th edition, and Turabian’s A Manual for Writers of Research Papers, Theses, and Dissertations is in its 8th edition.

Citing Specific Sources or Events

• Declaration of Independence
• Gettysburg Address
• Martin Luther King Jr. Speech
• President Obama’s Farewell Address
• President Trump’s Inauguration Speech
• White House Press Briefing

Additional FAQs

• Citing Archived Contributors
• Citing a Blog
• Citing a Book Chapter
• Citing a Source in a Foreign Language
• Citing an Image
• Citing a Song
• Citing Special Contributors
• Citing a Translated Article
• Citing a Tweet

6 Interesting Citation Facts

The world of citations may seem cut and dry, but there’s more to them than just specific capitalization rules, MLA in-text citations , and other formatting specifications. Citations have been helping researches document their sources for hundreds of years, and are a great way to learn more about a particular subject area.

Ever wonder what sets all the different styles apart, or how they came to be in the first place? Read on for some interesting facts about citations!

1. There are Over 7,000 Different Citation Styles

You may be familiar with MLA and APA citation styles, but there are actually thousands of citation styles used for all different academic disciplines all across the world. Deciding which one to use can be difficult, so be sure to ask you instructor which one you should be using for your next paper.

2. Some Citation Styles are Named After People

While a majority of citation styles are named for the specific organizations that publish them (i.e. APA is published by the American Psychological Association, and MLA format is named for the Modern Language Association), some are actually named after individuals. The most well-known example of this is perhaps Turabian style, named for Kate L. Turabian, an American educator and writer. She developed this style as a condensed version of the Chicago Manual of Style in order to present a more concise set of rules to students.

3. There are Some Really Specific and Uniquely Named Citation Styles

How specific can citation styles get? The answer is very. For example, the “Flavour and Fragrance Journal” style is based on a bimonthly, peer-reviewed scientific journal published since 1985 by John Wiley & Sons. It publishes original research articles, reviews and special reports on all aspects of flavor and fragrance. Another example is “Nordic Pulp and Paper Research,” a style used by an international scientific magazine covering science and technology for the areas of wood or bio-mass constituents.

4. More citations were created on  EasyBib.com  in the first quarter of 2018 than there are people in California.

The US Census Bureau estimates that approximately 39.5 million people live in the state of California. Meanwhile, about 43 million citations were made on EasyBib from January to March of 2018. That’s a lot of citations.

5. “Citations” is a Word With a Long History

The word “citations” can be traced back literally thousands of years to the Latin word “citare” meaning “to summon, urge, call; put in sudden motion, call forward; rouse, excite.” The word then took on its more modern meaning and relevance to writing papers in the 1600s, where it became known as the “act of citing or quoting a passage from a book, etc.”

6. Citation Styles are Always Changing

The concept of citations always stays the same. It is a means of preventing plagiarism and demonstrating where you relied on outside sources. The specific style rules, however, can and do change regularly. For example, in 2018 alone, 46 new citation styles were introduced , and 106 updates were made to exiting styles. At EasyBib, we are always on the lookout for ways to improve our styles and opportunities to add new ones to our list.

Why Citations Matter

Here are the ways accurate citations can help your students achieve academic success, and how you can answer the dreaded question, “why should I cite my sources?”

They Give Credit to the Right People

Citing their sources makes sure that the reader can differentiate the student’s original thoughts from those of other researchers. Not only does this make sure that the sources they use receive proper credit for their work, it ensures that the student receives deserved recognition for their unique contributions to the topic. Whether the student is citing in MLA format , APA format , or any other style, citations serve as a natural way to place a student’s work in the broader context of the subject area, and serve as an easy way to gauge their commitment to the project.

They Provide Hard Evidence of Ideas

Having many citations from a wide variety of sources related to their idea means that the student is working on a well-researched and respected subject. Citing sources that back up their claim creates room for fact-checking and further research . And, if they can cite a few sources that have the converse opinion or idea, and then demonstrate to the reader why they believe that that viewpoint is wrong by again citing credible sources, the student is well on their way to winning over the reader and cementing their point of view.

They Promote Originality and Prevent Plagiarism

The point of research projects is not to regurgitate information that can already be found elsewhere. We have Google for that! What the student’s project should aim to do is promote an original idea or a spin on an existing idea, and use reliable sources to promote that idea. Copying or directly referencing a source without proper citation can lead to not only a poor grade, but accusations of academic dishonesty. By citing their sources regularly and accurately, students can easily avoid the trap of plagiarism , and promote further research on their topic.

They Create Better Researchers

By researching sources to back up and promote their ideas, students are becoming better researchers without even knowing it! Each time a new source is read or researched, the student is becoming more engaged with the project and is developing a deeper understanding of the subject area. Proper citations demonstrate a breadth of the student’s reading and dedication to the project itself. By creating citations, students are compelled to make connections between their sources and discern research patterns. Each time they complete this process, they are helping themselves become better researchers and writers overall.

When is the Right Time to Start Making Citations?

Make in-text/parenthetical citations as you need them.

As you are writing your paper, be sure to include references within the text that correspond with references in a works cited or bibliography. These are usually called in-text citations or parenthetical citations in MLA and APA formats. The most effective time to complete these is directly after you have made your reference to another source. For instance, after writing the line from Charles Dickens’ A Tale of Two Cities : “It was the best of times, it was the worst of times…,” you would include a citation like this (depending on your chosen citation style):

(Dickens 11).

This signals to the reader that you have referenced an outside source. What’s great about this system is that the in-text citations serve as a natural list for all of the citations you have made in your paper, which will make completing the works cited page a whole lot easier. After you are done writing, all that will be left for you to do is scan your paper for these references, and then build a works cited page that includes a citation for each one.

Need help creating an MLA works cited page ? Try the MLA format generator on EasyBib.com! We also have a guide on how to format an APA reference page .

2. Understand the General Formatting Rules of Your Citation Style Before You Start Writing

While reading up on paper formatting may not sound exciting, being aware of how your paper should look early on in the paper writing process is super important. Citation styles can dictate more than just the appearance of the citations themselves, but rather can impact the layout of your paper as a whole, with specific guidelines concerning margin width, title treatment, and even font size and spacing. Knowing how to organize your paper before you start writing will ensure that you do not receive a low grade for something as trivial as forgetting a hanging indent.

Don’t know where to start? Here’s a formatting guide on APA format .

3. Double-check All of Your Outside Sources for Relevance and Trustworthiness First

Collecting outside sources that support your research and specific topic is a critical step in writing an effective paper. But before you run to the library and grab the first 20 books you can lay your hands on, keep in mind that selecting a source to include in your paper should not be taken lightly. Before you proceed with using it to backup your ideas, run a quick Internet search for it and see if other scholars in your field have written about it as well. Check to see if there are book reviews about it or peer accolades. If you spot something that seems off to you, you may want to consider leaving it out of your work. Doing this before your start making citations can save you a ton of time in the long run.

Finished with your paper? It may be time to run it through a grammar and plagiarism checker , like the one offered by EasyBib Plus. If you’re just looking to brush up on the basics, our grammar guides  are ready anytime you are.

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Citation Basics

Harvard Referencing

Plagiarism Basics

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• Referencing

A Quick Guide to Harvard Referencing | Citation Examples

Published on 14 February 2020 by Jack Caulfield . Revised on 15 September 2023.

Referencing is an important part of academic writing. It tells your readers what sources you’ve used and how to find them.

Harvard is the most common referencing style used in UK universities. In Harvard style, the author and year are cited in-text, and full details of the source are given in a reference list .

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Table of contents

Harvard in-text citation, creating a harvard reference list, harvard referencing examples, referencing sources with no author or date, frequently asked questions about harvard referencing.

A Harvard in-text citation appears in brackets beside any quotation or paraphrase of a source. It gives the last name of the author(s) and the year of publication, as well as a page number or range locating the passage referenced, if applicable:

Note that ‘p.’ is used for a single page, ‘pp.’ for multiple pages (e.g. ‘pp. 1–5’).

An in-text citation usually appears immediately after the quotation or paraphrase in question. It may also appear at the end of the relevant sentence, as long as it’s clear what it refers to.

When your sentence already mentions the name of the author, it should not be repeated in the citation:

Sources with multiple authors

When you cite a source with up to three authors, cite all authors’ names. For four or more authors, list only the first name, followed by ‘ et al. ’:

Sources with no page numbers

Some sources, such as websites , often don’t have page numbers. If the source is a short text, you can simply leave out the page number. With longer sources, you can use an alternate locator such as a subheading or paragraph number if you need to specify where to find the quote:

Multiple citations at the same point

When you need multiple citations to appear at the same point in your text – for example, when you refer to several sources with one phrase – you can present them in the same set of brackets, separated by semicolons. List them in order of publication date:

Multiple sources with the same author and date

If you cite multiple sources by the same author which were published in the same year, it’s important to distinguish between them in your citations. To do this, insert an ‘a’ after the year in the first one you reference, a ‘b’ in the second, and so on:

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A bibliography or reference list appears at the end of your text. It lists all your sources in alphabetical order by the author’s last name, giving complete information so that the reader can look them up if necessary.

The reference entry starts with the author’s last name followed by initial(s). Only the first word of the title is capitalised (as well as any proper nouns).

Sources with multiple authors in the reference list

As with in-text citations, up to three authors should be listed; when there are four or more, list only the first author followed by ‘ et al. ’:

Reference list entries vary according to source type, since different information is relevant for different sources. Formats and examples for the most commonly used source types are given below.

• Entire book
• Book chapter
• Translated book
• Edition of a book

Journal articles

• Print journal
• Online-only journal with DOI
• Online-only journal with no DOI
• General web page
• Online article or blog
• Social media post

Sometimes you won’t have all the information you need for a reference. This section covers what to do when a source lacks a publication date or named author.

No publication date

When a source doesn’t have a clear publication date – for example, a constantly updated reference source like Wikipedia or an obscure historical document which can’t be accurately dated – you can replace it with the words ‘no date’:

Note that when you do this with an online source, you should still include an access date, as in the example.

When a source lacks a clearly identified author, there’s often an appropriate corporate source – the organisation responsible for the source – whom you can credit as author instead, as in the Google and Wikipedia examples above.

When that’s not the case, you can just replace it with the title of the source in both the in-text citation and the reference list:

Prevent plagiarism, run a free check.

Harvard referencing uses an author–date system. Sources are cited by the author’s last name and the publication year in brackets. Each Harvard in-text citation corresponds to an entry in the alphabetised reference list at the end of the paper.

Vancouver referencing uses a numerical system. Sources are cited by a number in parentheses or superscript. Each number corresponds to a full reference at the end of the paper.

A Harvard in-text citation should appear in brackets every time you quote, paraphrase, or refer to information from a source.

The citation can appear immediately after the quotation or paraphrase, or at the end of the sentence. If you’re quoting, place the citation outside of the quotation marks but before any other punctuation like a comma or full stop.

In Harvard referencing, up to three author names are included in an in-text citation or reference list entry. When there are four or more authors, include only the first, followed by ‘ et al. ’

Though the terms are sometimes used interchangeably, there is a difference in meaning:

• A reference list only includes sources cited in the text – every entry corresponds to an in-text citation .
• A bibliography also includes other sources which were consulted during the research but not cited.

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