APA Citation

Ivanainen, M., & Ingram, T. P. (1974). A study on the origins of mental retardation. Philadelphia, US: J.B Lippincott.

Chicago Style Citation

Ivanainen, Matti, and T.T.S. Prefacio Ingram. A Study On the Origins of Mental Retardation. Philadelphia, US: J.B Lippincott, 1974.

MLA Citation

Ivanainen, Matti, and T.T.S. Prefacio Ingram. A Study On the Origins of Mental Retardation. Philadelphia, US: J.B Lippincott, 1974.

Warning: These citations may not always be 100% accurate.