Cita APA (7a ed.)

Cook, L. A., & Cook, E. (1954). Intergroup education. McGraw-Hill.

Cita Chicago Style (17a ed.)

Cook, Lloyd Allen, y Elaine Cook. Intergroup Education. New York: McGraw-Hill, 1954.

Cita MLA (9a ed.)

Cook, Lloyd Allen, y Elaine Cook. Intergroup Education. McGraw-Hill, 1954.