Cita APA (7th ed.)

Howard, M. C. (1983). Profits in economic theory. St. Martin's Press.

Cita Chicago (17th ed.)

Howard, Michael Charles. Profits in Economic Theory. New York: St. Martin's Press, 1983.

Cita MLA (9th ed.)

Howard, Michael Charles. Profits in Economic Theory. St. Martin's Press, 1983.

Atenció: Aquestes cites poden no estar 100% correctes.