Citazione Stile APA (7a Edizione)

Gray, A. (1961). The development of economic doctrine. John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

Gray, Alexander. The Development of Economic Doctrine. New York: John Wiley & Sons, 1961.

Citatione MLA (9a ed.)

Gray, Alexander. The Development of Economic Doctrine. John Wiley & Sons, 1961.