APA (7th ed.) Citation

Combs & Slann. (2003). Encyclopedia of terrorism. Facts On File.

Chicago Style (17th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. New York: Facts On File, 2003.

MLA (8th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. Facts On File, 2003.

Warning: These citations may not always be 100% accurate.