MLA Handbook, 7th ed.
The previous edition of MLA Style, still widely used.
MLA Handbook, 8th ed.
The current edition, pubilshed in 2016.
Falvey's Guide to MLA 8th ed.
A one-page guide to citing sources in MLA 8th.
MLA Quick Guide to 8th ed.
MLA's tutorial on the new "containers" system for works cited entries.
Purdue Online Writing Lab
An excellent guide to citing in MLA 8th, with examples.
Citing Plato in MLA Style
Using the Stephanus numbering system to cite Plato's works.