APA (7th ed.) Citation

Combs & Slann. (2007). Encyclopedia of terrorism (Rev. ed.). Facts on file.

Chicago Style (17th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. Rev. ed. New York, N.Y: Facts on file, 2007.

MLA (9th ed.) Citation

Combs and Slann. Encyclopedia of Terrorism. Rev. ed. Facts on file, 2007.

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