Style de citation APA (7e éd.)

Van Noppen, I. W. (1939). The westward movement: A book of readings on our changing frontiers. D. Appleton-Century Co.

Style de citation Chicago (17e éd.)

Van Noppen, Ina Woestemeyer. The Westward Movement: A Book of Readings on Our Changing Frontiers. New York: D. Appleton-Century Co, 1939.

Style de citation MLA (8e éd.)

Van Noppen, Ina Woestemeyer. The Westward Movement: A Book of Readings on Our Changing Frontiers. D. Appleton-Century Co, 1939.