Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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