- Duke University Library: Citing Sources
An excellent site that covers APA, Chicago, MLA, and Turabian styles for books, Web pages, periodicals, etc.
- Northwest Missouri University Library’s Guide to Citing Sources
Another excellent site covering APA, MLA, Chicago/Turabian, and CBE.
- Online! A Reference Guide to Using Internet Sources
Guidelines from the MLA, APA, Chicago Manual and Council of Biology Editors
APA (American Psychological Association)
ASA (American Sociological Association)
SBL Student Supplement