APA Style

Gordon, T. (1989). Discipline that works : promoting self-discipline in children : (formerly titled Teaching children discipline at home and at school) / by Thomas Gordon. . New York: A PLUME BOOK.

MLA Style

Gordon, T.. "Discipline that works : promoting self-discipline in children : (formerly titled Teaching children discipline at home and at school) / by Thomas Gordon.". New York: A PLUME BOOK, 1989. Text.