Cita APA (7th ed.)

Townsend, L. (1998). A contagious evil: The mind of a serial killer / by Larry Townsend (1. Auflage.). LT.

Cita Chicago (17th ed.)

Townsend, Larry. A Contagious Evil: The Mind of a Serial Killer / by Larry Townsend. 1. Auflage. Beverly Hills, Calif.: LT, 1998.

Cita MLA (8th ed.)

Townsend, Larry. A Contagious Evil: The Mind of a Serial Killer / by Larry Townsend. 1. Auflage. LT, 1998.