Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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