APA (7th ed.) Citation

Sellin, D. F. (1979). Mental retardation: Nature, needs and advocacy. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Sellin, Donald F. Mental Retardation: Nature, Needs and Advocacy. Boston: Allyn and Bacon, 1979.

MLA (9th ed.) Citation

Sellin, Donald F. Mental Retardation: Nature, Needs and Advocacy. Allyn and Bacon, 1979.

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