APA (7th ed.) Citation

Willson, J. D., & Root, S. J. (1989). Internal auditing manual (2nd ed.). Warren, Gorham & Lamont.

Chicago Style (17th ed.) Citation

Willson, James D., and Steven J. Root. Internal Auditing Manual. 2nd ed. Boston: Warren, Gorham & Lamont, 1989.

MLA (9th ed.) Citation

Willson, James D., and Steven J. Root. Internal Auditing Manual. 2nd ed. Warren, Gorham & Lamont, 1989.