Citazione Stile APA (7a Edizione)

G. Nickels, W., M. McHugh, J., & M. McHugh, S. (1993). Understanding Business, 3rd ed. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

G. Nickels, William, James M. McHugh, e Susan M. McHugh. Understanding Business, 3rd Ed. New York: McGraw-Hill, 1993.

Citatione MLA (9a ed.)

G. Nickels, William, et al. Understanding Business, 3rd Ed. McGraw-Hill, 1993.