APA (7th ed.) Citation

Mercer, C. D., & Snell, M. E. (1977). Learning theory research in mental retardation: Implications for teaching. Merrill.

Chicago Style (17th ed.) Citation

Mercer, Cecil D., and Martha E. Snell. Learning Theory Research in Mental Retardation: Implications for Teaching. Columbus, Ohio: Merrill, 1977.

MLA (8th ed.) Citation

Mercer, Cecil D., and Martha E. Snell. Learning Theory Research in Mental Retardation: Implications for Teaching. Merrill, 1977.