APA

Philips I., Esser M. A. & California. (1966). Prevention and treatment of mental retardation. New York: Basic Books.

Chicago

Philips Irving, Esser Mary Ann and California. 1966. Prevention and treatment of mental retardation. New York: Basic Books.

Harvard

Philips I., Esser M. A. and California. (1966). Prevention and treatment of mental retardation. New York: Basic Books.

MLA

Philips Irving, Esser Mary Ann and California. Prevention and treatment of mental retardation. New York: Basic Books. 1966.