Cita APA (7a ed.)

Townshend, C. (2011). Terrorism: A very short introduction Very short introductions.

Cita Chicago Style (17a ed.)

Townshend, Charles. "Terrorism: A Very Short Introduction." Very Short Introductions 2011.

Cita MLA (8a ed.)

Townshend, Charles. "Terrorism: A Very Short Introduction." Very Short Introductions, 2011.