Chinn, P. C., Drew, C. J., & Logan, D. R. (1975). Mental Retardation: A life cycle approach. Mosby.
Cita Chicago Style (17a ed.)Chinn, Philip C., Clifford J. Drew, y Don R. Logan. Mental Retardation: A Life Cycle Approach. Saint Louis: Mosby, 1975.
Cita MLA (9a ed.)Chinn, Philip C., et al. Mental Retardation: A Life Cycle Approach. Mosby, 1975.
Precaución: Estas citas no son 100% exactas.