Cita APA (7a ed.)

Baroff, G. S., & Olley, J. G. (1999). Mental retardation: Nature, cause, and management (3rd ed.). Brunner/Mazel.

Cita Chicago Style (17a ed.)

Baroff, George S., y J. Gregory Olley. Mental Retardation: Nature, Cause, and Management. 3rd ed. Philadelphia, Pa.: Brunner/Mazel, 1999.

Cita MLA (9a ed.)

Baroff, George S., y J. Gregory Olley. Mental Retardation: Nature, Cause, and Management. 3rd ed. Brunner/Mazel, 1999.