Congress on the Prevention of Crime and the Treatment of Offenders & Vereinte Nationen. (1956). First United Nations Congress on the Prevention of Crime and the Treatment of Offenders: Geneva 22 August - 3 September 1955. United Nations.
Cita Chicago Style (17a ed.)Congress on the Prevention of Crime and the Treatment of Offenders y Vereinte Nationen. First United Nations Congress on the Prevention of Crime and the Treatment of Offenders: Geneva 22 August - 3 September 1955. New York, NY: United Nations, 1956.
Cita MLA (9a ed.)Congress on the Prevention of Crime and the Treatment of Offenders y Vereinte Nationen. First United Nations Congress on the Prevention of Crime and the Treatment of Offenders: Geneva 22 August - 3 September 1955. United Nations, 1956.