Cita APA (7a ed.)

Olsen, H. (2017). Open drug scenes and police strategies in Oslo, Norway. Journal of Scandinavian studies in criminology and crime prevention, 18(2), 141-156.

Cita Chicago Style (17a ed.)

Olsen, Hilgunn. "Open Drug Scenes and Police Strategies in Oslo, Norway." Journal of Scandinavian Studies in Criminology and Crime Prevention 18, no. 2 (2017): 141-156.

Cita MLA (9a ed.)

Olsen, Hilgunn. "Open Drug Scenes and Police Strategies in Oslo, Norway." Journal of Scandinavian Studies in Criminology and Crime Prevention, vol. 18, no. 2, 2017, pp. 141-156.