Electronic Tools

Citation Styles

If your assignment requires APA, Chicago, MLA, or CSE documentation style, a helpful site is Cite Source, available from the Trinity College Library.

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Chicago Style

Access the College's subscription to the Chicago Manual of Style Online.  

CSE Style


For online information about ACS style, see the American Chemical Society's Reference style guidelines.


For help citing sources in history, see A Pocket Guide to Writing in History, available at the Library's Reference Desk.


  • Purdue OWL MLA Style
  • the MLA Handbook (Library's Reference Desk)
  • A Pocket Style Manual (Library's Reference Desk)


For help using Turabian style, see A Manual for Writers of Term Papers, Theses, & Dissertations, located in the Library's Reference collection (LB 2369 .T8 1996).

Citation Managers

There are two free citation managers that the library recommends: Mendeley and Zotero. For more information about these two resources, please visit the page Citation Managers