Cita APA (7th ed.)

McCoy, N. H. (1964). The theory of rings. The Macmillan Company.

Cita Chicago (17th ed.)

McCoy, Neal H. The Theory of Rings. New York: The Macmillan Company, 1964.

Cita MLA (9th ed.)

McCoy, Neal H. The Theory of Rings. The Macmillan Company, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.