APA (7th ed.) Citation

Iivanainen, M. (1974). A study on the origins of mental retardation. Heinemann [u.a.].

Chicago Style (17th ed.) Citation

Iivanainen, Matti. A Study on the Origins of Mental Retardation. London: Heinemann [u.a.], 1974.

MLA (9th ed.) Citation

Iivanainen, Matti. A Study on the Origins of Mental Retardation. Heinemann [u.a.], 1974.