Cita APA (7a ed.)

Boswell, G., Wright, A., & Davies, M. (1993). Contemporary probation practice. Avebury.

Cita Chicago Style (17a ed.)

Boswell, Gwyneth, Andrew Wright, y Martin Davies. Contemporary Probation Practice. Aldershot [u.a.]: Avebury, 1993.

Cita MLA (9a ed.)

Boswell, Gwyneth, et al. Contemporary Probation Practice. Avebury, 1993.