Cita APA (7a ed.)

Ashman, A. F., & Laura, R. S. (1985). The education and training of the mentally retarded: Recent advances. Croom Helm.

Cita Chicago Style (17a ed.)

Ashman, A. F., y R. S. Laura. The Education and Training of the Mentally Retarded: Recent Advances. London: Croom Helm, 1985.

Cita MLA (9a ed.)

Ashman, A. F., y R. S. Laura. The Education and Training of the Mentally Retarded: Recent Advances. Croom Helm, 1985.