Cita APA (7a ed.)

Korf, D. J., Bless, R., & Nottelman, N. (1998). Urban drug problems, policy makers and the general public. European journal on criminal policy and research, 6(3), 337-356.

Cita Chicago Style (17a ed.)

Korf, Dirk J., Ruud Bless, y Nienke Nottelman. "Urban Drug Problems, Policy Makers and the General Public." European Journal on Criminal Policy and Research 6, no. 3 (1998): 337-356.

Cita MLA (8a ed.)

Korf, Dirk J., et al. "Urban Drug Problems, Policy Makers and the General Public." European Journal on Criminal Policy and Research, vol. 6, no. 3, 1998, pp. 337-356.