APA (7th ed.) Citation

Drew, C. J., & Hardman, M. L. (2000). Mental retardation: A life cycle approach (7th ed.). Merrill.

Chicago Style (17th ed.) Citation

Drew, Clifford J., and Michael L. Hardman. Mental Retardation: A Life Cycle Approach. 7th ed. Upper Saddle River, NJ: Merrill, 2000.

MLA (9th ed.) Citation

Drew, Clifford J., and Michael L. Hardman. Mental Retardation: A Life Cycle Approach. 7th ed. Merrill, 2000.