Cita APA (7a ed.)

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2008). Understanding business (8th ed.). McGraw-Hill Irwin.

Cita Chicago Style (17a ed.)

Nickels, William G., James M. McHugh, y Susan M. McHugh. Understanding Business. 8th ed. Boston: McGraw-Hill Irwin, 2008.

Cita MLA (8a ed.)

Nickels, William G., et al. Understanding Business. 8th ed. McGraw-Hill Irwin, 2008.