MLA Handbook by 
MLA Style Manual and Guide to Scholarly Publishing by
The LibGuide tab above has two subpages that provide quick-reference examples, based on the two different manuals for Modern Language Association (MLA)-style citations
The MLA Handbook is usually used by high school and college students and was most recently updated in 2016. It gives step-by-step advice on every aspect of writing papers, from selecting a topic to submitting the completed paper. It provides an authoritative presentation of MLA documentation style for use in student writing.
The MLA Style Manual is mostly used by graduate students and professionals and was most recently updated in 2008. It offers complete guidance on writing and documenting scholarly texts, submitting them for peer review, and preparing them for publication.
Additional information on MLA style may be found at these websites:
When citing a book or article title in a foreign languge, follow these basic rules regardless of citation style:
For German and Spanish, capitalize the first word and all nouns.
For French, capitalize all words until after the first noun in the title.
For Italian and other languages, capitalize just the first word.
(NOTE: Always capitalize all proper nouns, of course)