Cita APA

Beirne-Smith, M., Patton, J. R., & Payne, J. S. (1990). Mental retardation (3.).

Chicago Edition Citation

Beirne-Smith, Mary, James R. Patton, i James S. Payne. Mental Retardation. 3. New York, Maxwell MacMillan International, 1990.

Cita MLA

Beirne-Smith, Mary, et al. Mental Retardation. 3. 1990.