APA (7th ed.) Citation

Gardner, L. C. (2013). Killing machine: The American presidency in the age of drone warfare. The New Press.

Chicago Style (17th ed.) Citation

Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. New York: The New Press, 2013.

MLA (8th ed.) Citation

Gardner, Lloyd C. Killing Machine: The American Presidency in the Age of Drone Warfare. The New Press, 2013.

Warning: These citations may not always be 100% accurate.