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.
Precaución: Estas citas no son 100% exactas.