Cita APA (7a ed.)
Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1990). Understanding business (2nd ed.). Irwin.
Cita Chicago Style (17a ed.)
Nickels, William G., James M. McHugh, y Susan M. McHugh. Understanding Business. 2nd ed. Homewood, IL: Irwin, 1990.
Cita MLA (9a ed.)
Nickels, William G., et al. Understanding Business. 2nd ed. Irwin, 1990.
Precaución: Estas citas no son 100% exactas.