Cita APA (7a ed.)
Nickels, W. G., McHugh, J. M., & McHugh, S. M. (1999). Understanding business (5th ed.). Irwin/McGraw-Hill.
Cita Chicago Style (17a ed.)
Nickels, William G., James M. McHugh, y Susan M. McHugh. Understanding Business. 5th ed. Boston: Irwin/McGraw-Hill, 1999.
Cita MLA (9a ed.)
Nickels, William G., et al. Understanding Business. 5th ed. Irwin/McGraw-Hill, 1999.
Precaución: Estas citas no son 100% exactas.