For help using the the APA, Chicago, MLA, or CSE citation styles, see Diana Hacker's Research and Documentation Online.
Another helpful site is Cite Source, available from the Trinity College Library.
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.
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).