Combs, C. C. (2007). Terrorism in the twenty-first century (4. ed.). Prentice Hall.
Chicago Style (17th ed.) CitationCombs, Cynthia C. Terrorism in the Twenty-first Century. 4. ed. Upper Saddle River, NJ: Prentice Hall, 2007.
MLA (9th ed.) CitationCombs, Cynthia C. Terrorism in the Twenty-first Century. 4. ed. Prentice Hall, 2007.
Warning: These citations may not always be 100% accurate.