Cita APA (7a ed.)

Crawford, A., & Walker, C. (1999). Centre for Criminal Justice Studies, University of Leeds. European journal on criminal policy and research, 7(1), 121-129.

Cita Chicago Style (17a ed.)

Crawford, Adam, y Clive Walker. "Centre for Criminal Justice Studies, University of Leeds." European Journal on Criminal Policy and Research 7, no. 1 (1999): 121-129.

Cita MLA (8a ed.)

Crawford, Adam, y Clive Walker. "Centre for Criminal Justice Studies, University of Leeds." European Journal on Criminal Policy and Research, vol. 7, no. 1, 1999, pp. 121-129.