Cita APA (7th ed.)
Clason, G. S. (1988). The richest man in Babylon. Signet.
Cita Chicago (17th ed.)
Clason, George S. The Richest Man in Babylon. London: Signet, 1988.
Cita MLA (9th ed.)
Clason, George S. The Richest Man in Babylon. Signet, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.