APA (7th ed.) Zitazioa

Sobel, R. (1980). The Worldly economists. Collier Macmillan.

Chicago Style (17th ed.) Zitazioa

Sobel, Robert. The Worldly Economists. New York: Collier Macmillan, 1980.

MLA (9th ed.) Zitazioa

Sobel, Robert. The Worldly Economists. Collier Macmillan, 1980.