توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hawton, K., Bergen, H., Simkin, S., Brock, A., Griffiths, C., Romeri, E., . . . Gunnell, D. (2009). Effect of withdrawal of co-proxamol on prescribing and deaths from drug poisoning in England and Wales: Time series analysis.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hawton, K., H. Bergen, S. Simkin, A. Brock, C. Griffiths, E. Romeri, K. Smith, N. Kapur, و D. Gunnell. Effect of Withdrawal of Co-proxamol on Prescribing and Deaths from Drug Poisoning in England and Wales: Time Series Analysis. 2009.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Hawton, K., et al. Effect of Withdrawal of Co-proxamol on Prescribing and Deaths from Drug Poisoning in England and Wales: Time Series Analysis. 2009.