APA (7th ed.) Citation

Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2008). Understanding business. McGraw Hill.

Chicago Style (17th ed.) Citation

Nickels, William G., James M. McHugh, and Susan M. McHugh. Understanding Business. McGraw Hill, 2008.

MLA (8th ed.) Citation

Nickels, William G., et al. Understanding Business. McGraw Hill, 2008.