APA (7th ed.) Citation

Polk, W. R. (2007). Violent politics: A history of insurgency, terrorism & guerrilla war, from the American Revolution to Iraq (Updated and expanded., 1st Harper Perennial ed.). Harper.

Chicago Style (17th ed.) Citation

Polk, William R. Violent Politics: A History of Insurgency, Terrorism & Guerrilla War, from the American Revolution to Iraq. Updated and expanded., 1st Harper Perennial ed. New York: Harper, 2007.

MLA (9th ed.) Citation

Polk, William R. Violent Politics: A History of Insurgency, Terrorism & Guerrilla War, from the American Revolution to Iraq. Updated and expanded., 1st Harper Perennial ed. Harper, 2007.