According to the History Day rule book, “Citations and bibliographic references must follow the most recent edition of one of the two permitted style guides below. Regardless of which manual you use, the style must be consistent throughout all written material."
The Library has many resources to help you with either style you choose.
The Chicago Manual of StyleThe Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format.
A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers
MLA Handbook, 9th Edition by The following websites provide information for the MLA 9th Edition writing style.
For more resources on sources, citations, and style guides, check out the Library's Citations guide:
