Beral, V., Bull, D., Green, J., Reeves, G., & Collabor, M. (2007). Ovarian cancer and hormone replacement therapy - Reply.
芝加哥风格引文Beral, V., D. Bull, J. Green, G. Reeves, 与 M. Collabor. Ovarian Cancer and Hormone Replacement Therapy - Reply. 2007.
MLA引文Beral, V., et al. Ovarian Cancer and Hormone Replacement Therapy - Reply. 2007.
警告：这些引文格式不一定是100％准确.