APA

Davies S. P., . (1959). The mentally retarded in society. New York: Columbia University Press.

Chicago

Davies Stanley Powell, . 1959. The mentally retarded in society. New York: Columbia University Press.

Harvard

Davies S. P., . (1959). The mentally retarded in society. New York: Columbia University Press.

MLA

Davies Stanley Powell, . The mentally retarded in society. New York: Columbia University Press. 1959.