Cita APA (7a ed.)

Barker, E. T. (1983). Prisons, psychopaths, and prevention: Pres. at the 2. World Congress on Prison Health Care, August 29, 1983, Ottawa, Canada. [Canadian Society for the Prevention of Cruelty to Children].

Cita Chicago Style (17a ed.)

Barker, Elliott T. Prisons, Psychopaths, and Prevention: Pres. at the 2. World Congress on Prison Health Care, August 29, 1983, Ottawa, Canada. [Toronto]: [Canadian Society for the Prevention of Cruelty to Children], 1983.

Cita MLA (8a ed.)

Barker, Elliott T. Prisons, Psychopaths, and Prevention: Pres. at the 2. World Congress on Prison Health Care, August 29, 1983, Ottawa, Canada. [Canadian Society for the Prevention of Cruelty to Children], 1983.