APA (7th ed.) Citation
Nickels, W. G., MacHugh, J. M., & MacHugh, S. M. (1990). Understanding Business (2. ed.). IRWIN.
Chicago Style (17th ed.) Citation
Nickels, William G., James M. MacHugh, and Susan M. MacHugh. Understanding Business. 2. ed. Homewood: IRWIN, 1990.
MLA (9th ed.) Citation
Nickels, William G., et al. Understanding Business. 2. ed. IRWIN, 1990.
Warning: These citations may not always be 100% accurate.