APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Keppel, Robert D. The Psychology of Serial Killer Investigations: The Grisly Business Unit. Amsterdam: Academic Press, 2003.

MLA (9th ed.) Citation

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

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