Cita APA (7a ed.)

Roberts, J. V. (2004). The virtual prison: Community custody and the evolution of imprisonment. Cambridge University Press.

Cita Chicago Style (17a ed.)

Roberts, Julian V. The Virtual Prison: Community Custody and the Evolution of Imprisonment. Cambridge [u.a.]: Cambridge University Press, 2004.

Cita MLA (9a ed.)

Roberts, Julian V. The Virtual Prison: Community Custody and the Evolution of Imprisonment. Cambridge University Press, 2004.