APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.