Cita APA (7a ed.)

Kreuzer, A., & Stock, J. (1997). Policing drug addicts in Germany: Some results of an empirical study. European addiction research, 3(2), 67-74.

Cita Chicago Style (17a ed.)

Kreuzer, Arthur, y J. Stock. "Policing Drug Addicts in Germany: Some Results of an Empirical Study." European Addiction Research 3, no. 2 (1997): 67-74.

Cita MLA (8a ed.)

Kreuzer, Arthur, y J. Stock. "Policing Drug Addicts in Germany: Some Results of an Empirical Study." European Addiction Research, vol. 3, no. 2, 1997, pp. 67-74.