Keppel, R. D., & Birnes, W. J. (2003). The psychology of serial killer investigations: The grisly business unit. Academic Press.
Chicago Style (17th ed.) CitationKeppel, Robert D., and William J. Birnes. The Psychology of Serial Killer Investigations: The Grisly Business Unit. Amsterdam Heidelberg [u.a.]: Academic Press, 2003.
MLA (9th ed.) CitationKeppel, Robert D., and William J. Birnes. The Psychology of Serial Killer Investigations: The Grisly Business Unit. Academic Press, 2003.
Warning: These citations may not always be 100% accurate.