Cita APA (7a ed.)

Independent Institute & Tabarrok, A. (2003). Changing the guard: Private prisons and the control of crime. Independent Institute.

Cita Chicago Style (17a ed.)

Independent Institute y Alexander Tabarrok. Changing the Guard: Private Prisons and the Control of Crime. Oakland, Calif: Independent Institute, 2003.

Cita MLA (8a ed.)

Independent Institute y Alexander Tabarrok. Changing the Guard: Private Prisons and the Control of Crime. Independent Institute, 2003.