MLA Style is most often used for courses in the Humanities.
The MLA Handbook for Writers of Research Papers provides standard guidelines that authors must follow whether they are citing sources or formatting a manuscript.
Copies of the MLA Handbook for Writers of Research Papers are available at the Reference desk and older editions are available in the Circulating Collection.
MLA Color Citation Guide 
Color-coded illustration of citations for common sources such as books, articles from the GALILEO databases and websites.
MLA Style Citation Guide
Detailed explanation of fonts, manuscript format, in-text citations, as well as many citation examples.