APA (7th ed.) Zitazioa
Hollingsworth, A., & et al. (2017). Macroeconomic conditions and opioid abuse. National Bureau of Economic Research.
Chicago Style (17th ed.) Zitazioa
Hollingsworth, A., eta et al. Macroeconomic Conditions and Opioid Abuse. Cambridge: National Bureau of Economic Research, 2017.
MLA (9th ed.) Zitazioa
Hollingsworth, A., eta et al. Macroeconomic Conditions and Opioid Abuse. National Bureau of Economic Research, 2017.
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