Citazione Stile APA (7a Edizione)

Ricardo, D., & Kolthammer, F. W. (2004). The principles of political economy and taxation. Dover Publications.

Citazione stile Chigago Style (17a edizione)

Ricardo, David, e F. W. Kolthammer. The Principles of Political Economy and Taxation. Mineola, N.Y.: Dover Publications, 2004.

Citatione MLA (8a ed.)

Ricardo, David, e F. W. Kolthammer. The Principles of Political Economy and Taxation. Dover Publications, 2004.