Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Nickels, William G., James M. McHugh, y Susan M. McHugh. Understanding Business. 6th ed. Boston, Mass.: McGraw-Hill, 2002.

Cita MLA (9a ed.)

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