Cita APA (7th ed.)
Hollingsworth, A., & et al. (2017). Macroeconomic conditions and opioid abuse. National Bureau of Economic Research.
Cita Chicago (17th ed.)
Hollingsworth, A., i et al. Macroeconomic Conditions and Opioid Abuse. Cambridge: National Bureau of Economic Research, 2017.
Cita MLA (9th ed.)
Hollingsworth, A., i et al. Macroeconomic Conditions and Opioid Abuse. National Bureau of Economic Research, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.