APA (7th ed.) Citation

Beirnes-Smith, M., Patton, J. R., & Ittenbach, R. (1994). Mental retardation (4th ed.). Merrill.

Chicago Style (17th ed.) Citation

Beirnes-Smith, Mary, James R. Patton, and Richard Ittenbach. Mental Retardation. 4th ed. New York: Merrill, 1994.

MLA (9th ed.) Citation

Beirnes-Smith, Mary, et al. Mental Retardation. 4th ed. Merrill, 1994.