Cita APA (7a ed.)

Zyl Smit, D. v., & Snacken, S. (2011). Principles of European prison law and policy: Penology and human rights (1. publ. in paperback.). Oxford University Press.

Cita Chicago Style (17a ed.)

Zyl Smit, Dirk van, y Sonja Snacken. Principles of European Prison Law and Policy: Penology and Human Rights. 1. publ. in paperback. Oxford [u.a.]: Oxford University Press, 2011.

Cita MLA (9a ed.)

Zyl Smit, Dirk van, y Sonja Snacken. Principles of European Prison Law and Policy: Penology and Human Rights. 1. publ. in paperback. Oxford University Press, 2011.