Cita APA (7a ed.)

Matson, J. L., & Mulick, J. A. (1991). Handbook of mental retardation (2nd ed.). Pergamon.

Cita Chicago Style (17a ed.)

Matson, Johnny L., y James A. Mulick. Handbook of Mental Retardation. 2nd ed. New York [etc.]: Pergamon, 1991.

Cita MLA (9a ed.)

Matson, Johnny L., y James A. Mulick. Handbook of Mental Retardation. 2nd ed. Pergamon, 1991.