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Citing & Referencing

Welcome to the Citing and Referencing page.

Citing and referencing correctly is essential when doing assignments. This page provides information on referencing guides for Harvard and APA referencing. This page also provides information on other styles that may be useful to you.

For further help and training please contact your Subject Librarian.

Referencing Guides

Cite Them Right

DCU Library subscribes to Cite Them Right Online, an excellent resource which will help you to reference correctly and avoid plagiarism.

Cite Them Right Online will show you how to  format references and citations for many different sources (books, e-books, online articles, etc) in a number of styles including Harvard, APA, MLA, Vancouver.


There is also an accompanying text book and we have several copies in the Library; check the library catalogue for availability



Harvard is one of many citation styles. Even within the Harvard style there are many variations.

DCU Library Guide is the Harvard style as interpreted by Cite Them Right.

According to the Harvard style all sources referred to in the body of your essay (in-text) must be cited correctly using the ‘Name and Date’ format.  All in-text citations must have a corresponding detailed entry at the end of your essay in the reference list. This guide gives practical examples for both in-text citation and referencing for a variety of sources.



American Psychological Association (APA) referencing style is widely used in the Social Sciences. It is the preferred style for many programmes in the Institute of Eductaion. 

DCU Library Guide lists the most popular citation types with practical examples for both in-text citation and referencing.






Help & Support  


Calendar of Library Workshops

DCU Library staff give classes/workshops to all students on How to avoid Plagiarism and on using the reference management tool, Zotero. Details on our calendar of classes and workshops for all training.

Cite Them Right

Lots of help on the Cite Them Right Online website (you will need to enter your DCU username & password to access)

LETS online tutorial

Visit LETScite our online tutorial for information on avoiding plagiarism and how to cite and reference correctly using the Harvard and APA Styles

Information Services / Subject Librarians

Help and support can be found in both DCU’s libraries, Cregan Library and O’Reilly Library.
Contact Information Services or your Subject Librarian


Other Styles


If you are required to use a citation style other than Harvard and APA, check your school's style-sheet/guidelines. The following is a list of the main citation styles, with links to books and online resources.

ACS (American Chemical Society)








Referencing Management Tools


Referencing Management Tools allow users to easily cite and reference when doing assignments by creating an account and saving references. Although referencing management tools save a huge amount of time, it is still extremely important to know how to reference.

When using referencing tools, particularly the likes of RefWorks / Mendeley / Zotero please use Harvard Cite Them Write output style if you are required to use Harvard style referencing.


Zotero is a free reference management software. At the most basic level, Zotero is a citation manager. It is designed to store, manage, and cite bibliographic references, such as books and articles. In Zotero, each of the references you enter constitutes an item.  Each item contains data (“Metadata”) about the reference. When opened, Zotero displays 3 columns.

Here is a DCU Library Guide - Zotero  to help you.



Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research



RefWorks will continue to be available until October 2018, after this time it is recommended that you use an alternative tool such as Zotero, Mendeley. Support is available for current RefWorks users who wish to move Zotero/Mendeley .

Please contact Celine Campbell, Subject Librarian in O’Reilly Library or Information Services  in Cregan Library.