Clarke, M., Hopewell, S., & Chalmers, I. (2010). Clinical trials should begin and end with systematic reviews of relevant evidence: 12 years and waiting.
芝加哥风格引文Clarke, M., S. Hopewell, 与 I. Chalmers. Clinical Trials Should Begin and End with Systematic Reviews of Relevant Evidence: 12 Years and Waiting. 2010.
MLA引文Clarke, M., et al. Clinical Trials Should Begin and End with Systematic Reviews of Relevant Evidence: 12 Years and Waiting. 2010.
警告：这些引文格式不一定是100％准确.