For an overview of several different styles, you could consult: Cite Right: A Quick Guide to Citation Styles--MLA, APA, Chicago, the Sciences, Professions and More. PN171.F56 L55 2011 -- there are several print editions in the Library, and another available via Netlibrary.
Publication Manual of the American Psychological Association, 6th Ed
REF BF76.7.P83 2010, 1 copy at the Reference Desk, 1 copy at the Reserve Desk
Chicago Manual of Style Fulltext access
Online access to the 16th and current 17th editions. Also available: A Citation Quick Guide, Video Tutorials, Users Forum, Teacher & Student Resources section, and a list of Q&As. Look to Part III of the manual, Source Citations, for chapters on the two CMSO sub-styles: “Notes and Bibliography” (used primarily in the discipline of history) and “Author-Date” (used primarily in the social sciences).
Chicago Manual of Style, 15th Ed.
REF Z253.U69 2003, 1 copy at the Reference Desk; 14th edition (1993) in Course Reserves; 13th edition (1982) in general collection
MLA Style Manual and Guide to Scholarly Publishing, 3rd Ed.
REF PN147.G444 2008, 1 copy at the Reference Desk
A Manual for Writers of Term papers, Theses, and Dissertations, 6th Ed.
REF LB2369.T8 1996,1 copy at the Reference Desk.
American Anthropological Association Style Guide
American Sociological Association Style (Trinity University Library)
Formatting in Sociology (Purdue University Online Writing Lab)