Cita APA (7a ed.)

Williams, M., & Keene, J. (1995). Drug prevention and the police in the UK: A review of recent research studies. Drugs, 2(3), 225-241.

Cita Chicago Style (17a ed.)

Williams, M., y J. Keene. "Drug Prevention and the Police in the UK: A Review of Recent Research Studies." Drugs 2, no. 3 (1995): 225-241.

Cita MLA (8a ed.)

Williams, M., y J. Keene. "Drug Prevention and the Police in the UK: A Review of Recent Research Studies." Drugs, vol. 2, no. 3, 1995, pp. 225-241.

Precaución: Estas citas no son 100% exactas.