Cita APA (7a ed.)

Duff, P., & Hutton, N. (1999). Criminal justice in Scotland. Ashgate.

Cita Chicago Style (17a ed.)

Duff, Peter, y Neil Hutton. Criminal Justice in Scotland. Aldershot [u.a.]: Ashgate, 1999.

Cita MLA (9a ed.)

Duff, Peter, y Neil Hutton. Criminal Justice in Scotland. Ashgate, 1999.