Cita APA (7a ed.)

Gill, M. L., Mawby, R. I., & Gill, M. L. (1990). Volunteers in the criminal justice system: A comparative study of probation, police, and victim support (1. publ.). Open Univ. Press.

Cita Chicago Style (17a ed.)

Gill, Martin L., R. I. Mawby, y M. L. Gill. Volunteers in the Criminal Justice System: A Comparative Study of Probation, Police, and Victim Support. 1. publ. Milton Keynes [u.a.]: Open Univ. Press, 1990.

Cita MLA (8a ed.)

Gill, Martin L., et al. Volunteers in the Criminal Justice System: A Comparative Study of Probation, Police, and Victim Support. 1. publ. Open Univ. Press, 1990.