Cita APA (7a ed.)

Phelps, M. W. (2003). Perfect poison: A female serial killer's deadly medicine. Kensington Publ. Corp.

Cita Chicago Style (17a ed.)

Phelps, M. William. Perfect Poison: A Female Serial Killer's Deadly Medicine. New York, NY: Kensington Publ. Corp, 2003.

Cita MLA (8a ed.)

Phelps, M. William. Perfect Poison: A Female Serial Killer's Deadly Medicine. Kensington Publ. Corp, 2003.