APA (7th ed.) Citation

Combs, C. C. (2003). Terrorism in the twenty-first century (3rd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Combs, Cindy C. Terrorism in the Twenty-first Century. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 2003.

MLA (9th ed.) Citation

Combs, Cindy C. Terrorism in the Twenty-first Century. 3rd ed. Prentice Hall, 2003.