Cita APA (7a ed.)

Nikels,William G, McHugh, J. . M., & McHugh, S. . M. (2002). Understanding business (6th.ed.-.). McGraw - Hill.

Cita Chicago Style (17a ed.)

Nikels,William G, James M. McHugh, y Susan M. McHugh. Understanding Business. 6th.ed.-. New York: McGraw - Hill, 2002.

Cita MLA (9a ed.)

Nikels,William G, et al. Understanding Business. 6th.ed.-. McGraw - Hill, 2002.