APA (7th ed.) Citation

Keppel, R. D., & Birnes, W. J. (2018). Signature killers: [interpreting the calling cards of serial murders : including Ted Bundy, Jeffrey Dahmer & John Gacy]. Arrow Books.

Chicago Style (17th ed.) Citation

Keppel, Robert D., and William J. Birnes. Signature Killers: [interpreting the Calling Cards of Serial Murders : Including Ted Bundy, Jeffrey Dahmer & John Gacy]. London: Arrow Books, 2018.

MLA (8th ed.) Citation

Keppel, Robert D., and William J. Birnes. Signature Killers: [interpreting the Calling Cards of Serial Murders : Including Ted Bundy, Jeffrey Dahmer & John Gacy]. Arrow Books, 2018.