Modern Language Association - Citation Style
The current version of the Modern Language Association style, which is most often used in the humanities, is published in the MLA Handbook, 8th ed. New York: Modern Library Association of America, 2016. The style rules are subject to change with every new edition, so always make sure you are working with the most up-to-date version.
The Modern Language Association Website
Provides publishing information for current versions of their style guides.
Purdue Online Writing Lab MLA Formatting and Style Guide
Provides in-depth information on how to use MLA style, including many examples.