Hawton, K., Bergen, H., Simkin, S., Wells, C., Kapur, N., & Gunnell, D. (2012). Six-year follow-up of impact of co-proxamol withdrawal in England and Wales on prescribing and deaths: Time-series study. Public Library of Science.
芝加哥风格引文Hawton, K., H. Bergen, S. Simkin, C. Wells, N. Kapur, 与 D. Gunnell. Six-year Follow-up of Impact of Co-proxamol Withdrawal in England and Wales on Prescribing and Deaths: Time-series Study. Public Library of Science, 2012.
MLA引文Hawton, K., et al. Six-year Follow-up of Impact of Co-proxamol Withdrawal in England and Wales on Prescribing and Deaths: Time-series Study. Public Library of Science, 2012.
警告:这些引文格式不一定是100%准确.