Cita APA (7a ed.)

Jones, H., & Cornes, P. (1977). Open prisons. Routledge and Kegan paul.

Cita Chicago Style (17a ed.)

Jones, Howard, y Paul Cornes. Open Prisons. London [u.a.]: Routledge and Kegan paul, 1977.

Cita MLA (9a ed.)

Jones, Howard, y Paul Cornes. Open Prisons. Routledge and Kegan paul, 1977.