Cita APA (7a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. (1999). Guidelines for the risk assessment of new synthetic drugs. Office for Official Publications of the European Communities.

Cita Chicago Style (17a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. Guidelines for the Risk Assessment of New Synthetic Drugs. Luxembourg: Office for Official Publications of the European Communities, 1999.

Cita MLA (9a ed.)

Observatorio Europeo de las Drogas y las Toxicomanías. Guidelines for the Risk Assessment of New Synthetic Drugs. Office for Official Publications of the European Communities, 1999.