Cita APA (7a ed.)

Ryan, M. (1996). Private prisons. Contexts, performance and issues. European journal on criminal policy and research, 4(3), 92-107.

Cita Chicago Style (17a ed.)

Ryan, Mick. "Private Prisons. Contexts, Performance and Issues." European Journal on Criminal Policy and Research 4, no. 3 (1996): 92-107.

Cita MLA (8a ed.)

Ryan, Mick. "Private Prisons. Contexts, Performance and Issues." European Journal on Criminal Policy and Research, vol. 4, no. 3, 1996, pp. 92-107.