Cita APA (7a ed.)

Rapp, B. (1999). Professional killers: An inside look. Breakout Productions.

Cita Chicago Style (17a ed.)

Rapp, Burt. Professional Killers: An Inside Look. Port Townsend, Wash: Breakout Productions, 1999.

Cita MLA (9a ed.)

Rapp, Burt. Professional Killers: An Inside Look. Breakout Productions, 1999.