APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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