APA (7th ed.) Citation

Demos, J. (2009). The enemy within: A short history of witch-hunting. Penguin Books.

Chicago Style (17th ed.) Citation

Demos, John. The Enemy Within: A Short History of Witch-hunting. New York: Penguin Books, 2009.

MLA (8th ed.) Citation

Demos, John. The Enemy Within: A Short History of Witch-hunting. Penguin Books, 2009.

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