Citation, Quoting, Works Cited
MLA stands for Modern Language Association. It is a style of formatting academic papers that is used mostly in the arts and humanities.
APA stands for American Psychological Association, the professional guild who first developed the guidelines of the style. APA is a style of formatting academic papers that is used mostly in the social sciences.
CMS stands for the Chicago Manual of Style. It is a style of formatting written works that is most widely used in publishing.