Cita APA (7th ed.)
Harm Reduction International. (2020). The Global State of Harm Reduction 2020, 7th ed. Harm Reduction International.
Cita Chicago (17th ed.)
Harm Reduction International. The Global State of Harm Reduction 2020, 7th Ed. Londres: Harm Reduction International, 2020.
Cita MLA (9th ed.)
Harm Reduction International. The Global State of Harm Reduction 2020, 7th Ed. Harm Reduction International, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.