APA (7th ed.) Citation

Head, G. L., & Horn, S. (1991). Essential of risk management (2nd ed.). Insurance Institute of America.

Chicago Style (17th ed.) Citation

Head, George L., and Stephen Horn. Essential of Risk Management. 2nd ed. Malvern, Penn: Insurance Institute of America, 1991.

MLA (9th ed.) Citation

Head, George L., and Stephen Horn. Essential of Risk Management. 2nd ed. Insurance Institute of America, 1991.