Cita APA (7a ed.)

European Seminar on Probation & Vereinte Nationen. (1954). European Seminar on Probation: London, 20-30 October 1952. UN.

Cita Chicago Style (17a ed.)

European Seminar on Probation y Vereinte Nationen. European Seminar on Probation: London, 20-30 October 1952. New York: UN, 1954.

Cita MLA (9a ed.)

European Seminar on Probation y Vereinte Nationen. European Seminar on Probation: London, 20-30 October 1952. UN, 1954.