The Chicago Manual of Style (online). 16th 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.
Turabian, Kate L. A Manual for Writers of Term Papers, Theses, and Dissertations. 8th ed. Chicago: U Chicago P, 2013. (Olin Reference PE 1478 T92 2013)A newly revised and expanded version by B. Honigsblum, of Kate Turabian's standard guide for student writers.
MLA Handbook for Writers of Research Papers (6th ed.)
Olin and Uris Libraries Z253 .M68 2003 (located at the Reference Desks) APA Citation Style
Manage Information using Citation Software/PDF organizers such as Zotero (recommended for historians)
Once research involves lots of sources and lots of pdfs, most people find using citation management/pdf organizing software saves time and energy.