Παραπομπή APA

Durant, W., & Durant, A. (1961). Age of reason begins. Simon and Schuster.

Παραπομπή Chicago Style

Durant, Will, και Ariel Durant. Age of Reason Begins. New York: Simon and Schuster, 1961.

Παραπομπή MLA

Durant, Will, και Ariel Durant. Age of Reason Begins. Simon and Schuster, 1961.