Cita APA

Allport, G. W., & Kramer, B. M. (1946). Roots of Prejudice. American Jewish Congrass.

Citación estilo Chicago

Allport, Gordon W., y Bernard M. Kramer. Roots of Prejudice. New York: American Jewish Congrass, 1946.

Cita MLA

Allport, Gordon W., y Bernard M. Kramer. Roots of Prejudice. American Jewish Congrass, 1946.