APA (7th ed.) Citation

Combs & Slann. (2002). Encyclopedia of terrorism. Facts on File.

Chicago Style (17th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. New York: Facts on File, 2002.

MLA (8th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. Facts on File, 2002.

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