Cita APA (7a ed.)

Renn, H., & Lange, K. (1996). Urban districts and drug scenes: A comparative study on nuisance caused by 'open' drug scenes in major European cities. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Renn, Heinz, y Kurt-Jürgen Lange. Urban Districts and Drug Scenes: A Comparative Study on Nuisance Caused by 'Open' Drug Scenes in Major European Cities. Luxembourg: Office for Official Publications of the European Communities, 1996.

Cita MLA (9a ed.)

Renn, Heinz, y Kurt-Jürgen Lange. Urban Districts and Drug Scenes: A Comparative Study on Nuisance Caused by 'Open' Drug Scenes in Major European Cities. Office for Official Publications of the European Communities, 1996.