Cita APA (7th ed.)
Smith, A. (1909). The wealth of nations. Collier & Son Comp.
Cita Chicago (17th ed.)
Smith, Adam. The Wealth of Nations. New York: Collier & Son Comp, 1909.
Cita MLA (9th ed.)
Smith, Adam. The Wealth of Nations. Collier & Son Comp, 1909.
Atenció: Aquestes cites poden no estar 100% correctes.