The Modern Language Association style is most commonly used in the humanities. The latest version is 8, which came out in April 2016. Check with your instructor about which version they would prefer that you use. Note: many of the library databases' built-in citation tools are now using MLA version 8.
In an MLA style Works Cited list, the first line of each citation should be left justified, but each subsequent line should be indented. This is called a “hanging indent.” Some instructions on how to create a hanging indent in two of the most frequently used word processing programs on campus: