(EBCTCG), E. B. C. T. C. G., Malmström, P., & Lund University, F. o. M. (2005). Effects of radiotherapy and of differences in the extent of surgery for early breast cancer on local recurrence and 15-year survival. The Lancet, 366(9503), 2087. https://doi.org/10.1016/S0140-6736(05)67887-7
Chicago Style (17th ed.) Citation(EBCTCG), Early Breast Cancer Trialists Collaborative Group, Per Malmström, and Faculty of Medicine Lund University. "Effects of Radiotherapy and of Differences in the Extent of Surgery for Early Breast Cancer on Local Recurrence and 15-year Survival." The Lancet 366, no. 9503 (2005): 2087. https://doi.org/10.1016/S0140-6736(05)67887-7.
MLA (9th ed.) Citation(EBCTCG), Early Breast Cancer Trialists Collaborative Group, et al. "Effects of Radiotherapy and of Differences in the Extent of Surgery for Early Breast Cancer on Local Recurrence and 15-year Survival." The Lancet, vol. 366, no. 9503, 2005, p. 2087, https://doi.org/10.1016/S0140-6736(05)67887-7.