MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities. The following online guides are consistent with the revised 8th edition.
Copies of this book are available in:
(1) Ready Reference (to be used in the library)
(2) Education Reference (to be used in the library)
(3) Stacks (available to take home)
MLA Handbook, 9th edition by 
MLA Handbook by 
MLA Handbook for Writers of Research Papers by