Cita APA (7a ed.)

Willke, W. L. (1943). One World. Simon and Schuster.

Cita Chicago Style (17a ed.)

Willke, Wendell L. One World. New York: Simon and Schuster, 1943.

Cita MLA (9a ed.)

Willke, Wendell L. One World. Simon and Schuster, 1943.