APA (7th ed.) Citation

Allport, G. W. (1946). Controlling group prejudice. s. n.

Chicago Style (17th ed.) Citation

Allport, Gordon Willard. Controlling Group Prejudice. Philadelphia: s. n, 1946.

MLA (9th ed.) Citation

Allport, Gordon Willard. Controlling Group Prejudice. s. n, 1946.