The Chicago Manual of Style (online). 15th ed. Chicago: U of Chicago, 1993. (Olin Reference Desk Z 253 U69x 2003; also Uris) "A standard work, thoroughly revised and updated, which serves as a how-to book for authors and editors. The basics online: Chicago Manual of Style.
MLA Style (MLA's web site)
Provides some FAQ's; however, this site does not provide the full style manual online.
MLA Handbook for Writers of Research Papers (6th ed.)
Olin and Uris Libraries Z253 .M68 2003 (located at the Reference Desks) APA Citation Style