MLA is a common formatting style for essays and papers in language arts, cultural studies, and other humanities.
MLA style has unique formats for In-text citations (parenthetical) and Works Cited Page:
1. In-text citations: Where you cite a source in the body of your paper after you quote or paraphrase.
2. Works Cited citations: A final list of all of your sources at the end of your paper.
There are few minor updates from MLA8 to MLA9:
The format for Works Cited and In-text Citation remains the same. The basic "Core" elements have not changed.
New "Container" rules
Some other changes
For more information on these changes visit this websites and watch the video: