APA (7th ed.) Zitazioa

(1957). Three eassays on the state of economic science. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Three Eassays on the State of Economic Science. New York: McGraw-Hill, 1957.

MLA (9th ed.) Zitazioa

Three Eassays on the State of Economic Science. McGraw-Hill, 1957.