Sellin, D. F. (1979). Mental retardation nature, needs, and advocacy. Allyn and Bacon.
Chicago Style (17th ed.) CitationSellin, Donald F. Mental Retardation Nature, Needs, and Advocacy. Allyn and Bacon, 1979.
MLA (8th ed.) CitationSellin, Donald F. Mental Retardation Nature, Needs, and Advocacy. Allyn and Bacon, 1979.
Warning: These citations may not always be 100% accurate.