APA (7th ed.) Citation

Combs, C. C. (2023). Terrorism in the twenty-first century (Ninth edition.). Routledge.

Chicago Style (17th ed.) Citation

Combs, Cynthia C. Terrorism in the Twenty-first Century. Ninth edition. New York London: Routledge, 2023.

MLA (9th ed.) Citation

Combs, Cynthia C. Terrorism in the Twenty-first Century. Ninth edition. Routledge, 2023.