Cita APA (7a ed.)

Ruggiero, V., Ryan, M., & Sim, J. (1995). Western European penal systems: A critical anatomy. SAGE Publications.

Cita Chicago Style (17a ed.)

Ruggiero, Vincenzo, Mick Ryan, y Joe Sim. Western European Penal Systems: A Critical Anatomy. London [u.a.]: SAGE Publications, 1995.

Cita MLA (9a ed.)

Ruggiero, Vincenzo, et al. Western European Penal Systems: A Critical Anatomy. SAGE Publications, 1995.