Cita APA

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

Citación estilo Chicago

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

Cita MLA

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