APA (7th ed.) Citation

Berry, R. J. A., & Gordon, R. G. (1931). The mental defective: A problem in social inefficiency. Whittlesey House, McGraw-Hill.

Chicago Style (17th ed.) Citation

Berry, Richard James Arthur, and R. G. Gordon. The Mental Defective: A Problem in Social Inefficiency. New York: Whittlesey House, McGraw-Hill, 1931.

MLA (8th ed.) Citation

Berry, Richard James Arthur, and R. G. Gordon. The Mental Defective: A Problem in Social Inefficiency. Whittlesey House, McGraw-Hill, 1931.