(Tynan 131)
Tynan, Kenneth. "The Kansas Farm Murders." The Critical Response to Truman Capote, edited by Joseph J. Waldmeir and John C. Waldmeir, Greenwood Press, 1999, pp. 129-34.
(Coetzee vi-viii)
Coetzee, J. M. Introduction. The Confusions of Young Torless, by Robert Musil, translated by Shaun Whiteside, Penguin Classics, 2001, pp. xix-xxxvi.
If you are citing a portion of the book written by the editor, begin with the editor. Give the author's name after the title preceded by [by].
(O'Brien 690)
O'Brien, Tim. "The Things They Carried." Literature: Reading Fiction, Poetry, and Drama, edited by Robert DiYanni, 6th ed., McGraw Hill, 2007, pp. 684-97.
(Tallett and Trim 311-21)
Tallett, Frank and D.J.B. Trim, editors. European Warfare, 1350-1750. Cambridge UP, 2010.