APA (7th ed.) Citation

Davis, M. D., & Purcell, A. H. (2006). Weapons of mass destruction. Facts on File.

Chicago Style (17th ed.) Citation

Davis, Mary D., and Arthur H. Purcell. Weapons of Mass Destruction. New York: Facts on File, 2006.

MLA (9th ed.) Citation

Davis, Mary D., and Arthur H. Purcell. Weapons of Mass Destruction. Facts on File, 2006.