APA (7th ed.) Citation

Nickels, W. G., Mchugh, J. M., & Mchugh, S. M. Understanding business (9th ed.).

Chicago Style (17th ed.) Citation

Nickels, William G., James M. Mchugh, and Susan M. Mchugh. Understanding Business. 9th ed.

MLA (8th ed.) Citation

Nickels, William G., et al. Understanding Business. 9th ed.