APA (7th ed.) Citation

Polk, W. R. (2007). Violent politics: A history of insurgency, terrorism & Guerrilla war, from the American revolution to Iraq. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Polk, William R. Violent Politics: A History of Insurgency, Terrorism & Guerrilla War, from the American Revolution to Iraq. New York: HarperCollins Publishers, 2007.

MLA (9th ed.) Citation

Polk, William R. Violent Politics: A History of Insurgency, Terrorism & Guerrilla War, from the American Revolution to Iraq. HarperCollins Publishers, 2007.