توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Richards, G., Aronson, J., Mahtani, K., & Heneghan, C. (2021). Global, regional, and national consumption of controlled opioids: A cross-sectional study of 214 countries and non-metropolitan territories. SAGE Publications.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Richards, GC, JK Aronson, KR Mahtani, و C. Heneghan. Global, Regional, and National Consumption of Controlled Opioids: A Cross-sectional Study of 214 Countries and Non-metropolitan Territories. SAGE Publications, 2021.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Richards, GC, et al. Global, Regional, and National Consumption of Controlled Opioids: A Cross-sectional Study of 214 Countries and Non-metropolitan Territories. SAGE Publications, 2021.