APA (7th ed.) Citation

Pender, P. (2012). The butler did it: My true and terrifying encounters with a serial killer. Mainstream Publ.

Chicago Style (17th ed.) Citation

Pender, Paul. The Butler Did It: My True and Terrifying Encounters with a Serial Killer. Edinburgh [u.a.]: Mainstream Publ, 2012.

MLA (9th ed.) Citation

Pender, Paul. The Butler Did It: My True and Terrifying Encounters with a Serial Killer. Mainstream Publ, 2012.