APA (7th ed.) Citation

Sageman, M. (2008). Leaderless jihad: Terror networks in the twenty-first century. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Sageman, Marc. Leaderless Jihad: Terror Networks in the Twenty-first Century. Philadelphia: University of Pennsylvania Press, 2008.

MLA (9th ed.) Citation

Sageman, Marc. Leaderless Jihad: Terror Networks in the Twenty-first Century. University of Pennsylvania Press, 2008.