Last Name, First Name Initial(s) (Ed.). (Publication year). *Book Title*.Place of Publication: Publisher.
For a book with two editors:
Last Name, First Name Initial(s) & Last Name, First Name Initial(s) (Eds.). (Publication year). *Book Title*. Place of Publication: Publisher.
For a book with three or more editors:
Last Name, First Name Initial(s), Last Name, First Name Initial(s), & Last Name, First Name Initial(s) (Eds.). (Publication year). *Book Title*. Place of Publication: Publisher.
If the editor is mentioned in the text:
(Editor's Last Name, Publication year, Page number)
Here are a few examples:
* *The Cambridge Handbook of Creativity* (Sternberg, 2011).
* *The Oxford Companion to American Literature* (Lepore & Ostriker, 2009).
* *The Norton Anthology of American Literature* (Baym, Levine, & Roberts, 2012).