Cita APA (7a ed.)

Ashman, A. F., & Laura, R. S. (1985). Moral issues in mental retardation. Croom Helm.

Cita Chicago Style (17a ed.)

Ashman, Adrian F., y Ronald S. Laura. Moral Issues in Mental Retardation. London ; Sydney: Croom Helm, 1985.

Cita MLA (9a ed.)

Ashman, Adrian F., y Ronald S. Laura. Moral Issues in Mental Retardation. Croom Helm, 1985.