APA (7th ed.) Zitazioa

Smith, A. (1987). The wealth of Nations. Penguin Books.

Chicago Style (17th ed.) Zitazioa

Smith, Adam. The Wealth of Nations. Nueva York: Penguin Books, 1987.

MLA (9th ed.) Zitazioa

Smith, Adam. The Wealth of Nations. Penguin Books, 1987.