APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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