APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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