Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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.