APA Citation

Harris, R., & Paxman, J. (2002). A higher form of killing: The secret history of gas and germ warfare. London: Arrow Books.

Chicago Style Citation

Harris, Robert, and Jeremy Paxman. A Higher Form of Killing: The Secret History of Gas and Germ Warfare. London: Arrow Books, 2002.

MLA Citation

Harris, Robert, and Jeremy Paxman. A Higher Form of Killing: The Secret History of Gas and Germ Warfare. London: Arrow Books, 2002.

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