Cita APA

Ingalls, R. P. (1978). Mental retardation: The changing outlook. Wiley.

Chicago Edition Citation

Ingalls, Robert P. Mental Retardation: The Changing Outlook. New York: Wiley, 1978.

Cita MLA

Ingalls, Robert P. Mental Retardation: The Changing Outlook. Wiley, 1978.