Style de citation APA (7e éd.)

Kohn, C. F., & Drummond, D. W. (1971). The world today: Its patterns and cultures (3rd ed.). Webster Division, McGraw-Hill.

Style de citation Chicago (17e éd.)

Kohn, Clyde Frederick, et Dorothy Weitz Drummond. The World Today: Its Patterns and Cultures. 3rd ed. New York: Webster Division, McGraw-Hill, 1971.

Style de citation MLA (9e éd.)

Kohn, Clyde Frederick, et Dorothy Weitz Drummond. The World Today: Its Patterns and Cultures. 3rd ed. Webster Division, McGraw-Hill, 1971.