APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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