Cita APA (7a ed.)

Walker, M., Jefferson, T., & Seneviratne, M. (1990). Ethnic minorities, young people and the criminal justice system. Centre for Criminological and Socio-Legal Studies, Univ. of Sheffield.

Cita Chicago Style (17a ed.)

Walker, Monica, Tony Jefferson, y Mary Seneviratne. Ethnic Minorities, Young People and the Criminal Justice System. Sheffield: Centre for Criminological and Socio-Legal Studies, Univ. of Sheffield, 1990.

Cita MLA (8a ed.)

Walker, Monica, et al. Ethnic Minorities, Young People and the Criminal Justice System. Centre for Criminological and Socio-Legal Studies, Univ. of Sheffield, 1990.