APA (7th ed.) Citation

Combs, C. C. (2006). Terrorism in the twenty-first century (4. ed.). Pearson/Prentice Hall.

Chicago Style (17th ed.) Citation

Combs, Cindy C. Terrorism in the Twenty-first Century. 4. ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2006.

MLA (9th ed.) Citation

Combs, Cindy C. Terrorism in the Twenty-first Century. 4. ed. Pearson/Prentice Hall, 2006.