APA (7th ed.) Citation

Keppel, R. D., & Birnes, W. J. (2003). The psychology of serial killer investigations: The grisly business unit. Academic Press.

Chicago Style (17th ed.) Citation

Keppel, Robert D., and William J. Birnes. The Psychology of Serial Killer Investigations: The Grisly Business Unit. Amsterdam ; Boston: Academic Press, 2003.

MLA (8th ed.) Citation

Keppel, Robert D., and William J. Birnes. The Psychology of Serial Killer Investigations: The Grisly Business Unit. Academic Press, 2003.