Cita APA (7th ed.)

Woestemeyer, I. F., & Gambrill, J. M. (1939). The Westward movement: A book of readings on our changing frontiers. Appleton.

Cita Chicago (17th ed.)

Woestemeyer, Ina Faye, i John Montgomery Gambrill. The Westward Movement: A Book of Readings on Our Changing Frontiers. N.Y.: Appleton, 1939.

Cita MLA (8th ed.)

Woestemeyer, Ina Faye, i John Montgomery Gambrill. The Westward Movement: A Book of Readings on Our Changing Frontiers. Appleton, 1939.