Cita APA (7a ed.)

Kempa, M., Carrier, R., Wood, J., & Shearing, C. D. (1999). Revlections on the evolving concept of 'private policing'. European journal on criminal policy and research, 7(2), 197-223.

Cita Chicago Style (17a ed.)

Kempa, Michael, Ryan Carrier, Jennifer Wood, y Clifford D. Shearing. "Revlections on the Evolving Concept of 'Private Policing'." European Journal on Criminal Policy and Research 7, no. 2 (1999): 197-223.

Cita MLA (9a ed.)

Kempa, Michael, et al. "Revlections on the Evolving Concept of 'Private Policing'." European Journal on Criminal Policy and Research, vol. 7, no. 2, 1999, pp. 197-223.