Cita APA (7a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. (2007). Cocaine and crack cocaine: A growing public health issue. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. Cocaine and Crack Cocaine: A Growing Public Health Issue. Luxembourg: Office for Official Publications of the European Communities, 2007.

Cita MLA (9a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. Cocaine and Crack Cocaine: A Growing Public Health Issue. Office for Official Publications of the European Communities, 2007.