Cita APA (7th ed.)

Matson, J. L., & Barrett, R. P. (1993). Psychopathology in the mentally retarded. Allyn and Bacon.

Cita Chicago (17th ed.)

Matson, Johnny L., i Rowland P. Barrett. Psychopathology in the Mentally Retarded. Boston: Allyn and Bacon, 1993.

Cita MLA (9th ed.)

Matson, Johnny L., i Rowland P. Barrett. Psychopathology in the Mentally Retarded. Allyn and Bacon, 1993.