McCoy, N. H. (1964). The theory of rings. The Macmillan Company.
Cita Chicago Style (17a ed.)McCoy, Neal H. The Theory of Rings. New York: The Macmillan Company, 1964.
Cita MLA (9a ed.)McCoy, Neal H. The Theory of Rings. The Macmillan Company, 1964.
Precaución: Estas citas no son 100% exactas.