APA

Wallin J. E. W., . (1955). Education of mentally handicapped children. New York: Harper.

Chicago

Wallin John Edward Wallace, . 1955. Education of mentally handicapped children. New York: Harper.

Harvard

Wallin J. E. W., . (1955). Education of mentally handicapped children. New York: Harper.

MLA

Wallin John Edward Wallace, . Education of mentally handicapped children. New York: Harper. 1955.