Παραπομπή APA

Durant, W., & Durant, A. (1968). The lessons of history. Simon and Schuster.

Παραπομπή Chicago Style

Durant, Will, και Ariel Durant. The Lessons of History. New York: Simon and Schuster, 1968.

Παραπομπή MLA

Durant, Will, και Ariel Durant. The Lessons of History. Simon and Schuster, 1968.