APA (7th ed.) Citation

Lippman, L. D. (1979). Mental retardation: A changing world. Public Affairs Committee.

Chicago Style (17th ed.) Citation

Lippman, Leopold D. Mental Retardation: A Changing World. New York: Public Affairs Committee, 1979.

MLA (9th ed.) Citation

Lippman, Leopold D. Mental Retardation: A Changing World. Public Affairs Committee, 1979.

Warning: These citations may not always be 100% accurate.