APA (7th ed.) Citation

Iivanainen, M. (1974). A study on the origins of mental retardation.

Chicago Style (17th ed.) Citation

Iivanainen, Matti. A Study on the Origins of Mental Retardation. 1974.

MLA (9th ed.) Citation

Iivanainen, Matti. A Study on the Origins of Mental Retardation. 1974.

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