Cita APA (7a ed.)

Nickels, W. G., & McHugh, J. M. (1996). Understanding business (4th ed.). IRWIN.

Cita Chicago Style (17a ed.)

Nickels, William G., y James M. McHugh. Understanding Business. 4th ed. Chicago: IRWIN, 1996.

Cita MLA (9a ed.)

Nickels, William G., y James M. McHugh. Understanding Business. 4th ed. IRWIN, 1996.