Cita APA (7a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías & Hedrich, D. (2010). Trends in injecting drug use in Europe. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías y Dagmar Hedrich. Trends in Injecting Drug Use in Europe. Luxembourg: Office for Official Publications of the European Communities, 2010.

Cita MLA (9a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías y Dagmar Hedrich. Trends in Injecting Drug Use in Europe. Office for Official Publications of the European Communities, 2010.