Cita APA (7a ed.)

Korf, D. J., Bless, R., & Nottelman, N. (1998). Urban drug problems and the general public: Exposure, opinions and policy preferences in 11 European cities. Thesis Publ.

Cita Chicago Style (17a ed.)

Korf, Dirk J., Ruud Bless, y Nienke Nottelman. Urban Drug Problems and the General Public: Exposure, Opinions and Policy Preferences in 11 European Cities. Amsterdam: Thesis Publ, 1998.

Cita MLA (9a ed.)

Korf, Dirk J., et al. Urban Drug Problems and the General Public: Exposure, Opinions and Policy Preferences in 11 European Cities. Thesis Publ, 1998.