APA (7th ed.) Citation

Ittenbach, R., Patton, J. R., & Bierne-Smith, M. (1998). Mental retardation (5th ed.). Merrill.

Chicago Style (17th ed.) Citation

Ittenbach, Richard, James R. Patton, and Mary Bierne-Smith. Mental Retardation. 5th ed. Upper Saddle River, N.J.: Merrill, 1998.

MLA (8th ed.) Citation

Ittenbach, Richard, et al. Mental Retardation. 5th ed. Merrill, 1998.