Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Nickels, William G., et al. Understanding Business. 4th ed. Irwin, 1996.