APA (7th ed.) Citation

Groff, C. A. (1973). Mental retardation: A book of readings. MSS Information Corp..

Chicago Style (17th ed.) Citation

Groff, Catherine A. Mental Retardation: A Book of Readings. New York: MSS Information Corp., 1973.

MLA (9th ed.) Citation

Groff, Catherine A. Mental Retardation: A Book of Readings. MSS Information Corp., 1973.