APA

Cook L. A., Cook E. F., . (1954). Intergroup education. New York: McGraw-Hill.

Chicago

Cook Lloyd Allen, Cook Elaine Forsyth, . 1954. Intergroup education. New York: McGraw-Hill.

Harvard

Cook L. A., Cook E. F., . (1954). Intergroup education. New York: McGraw-Hill.

MLA

Cook Lloyd Allen, Cook Elaine Forsyth, . Intergroup education. New York: McGraw-Hill. 1954.