Lewis, T. L. T., & Chamberlain, G. (1990). Obstetrics by ten teachers (Fifteenth edition.). Edward Arnold.
芝加哥风格引文Lewis, T. L. T., 与 Geoffrey Chamberlain. Obstetrics by Ten Teachers. Fifteenth edition. London Melbourne: Edward Arnold, 1990.
MLA引文Lewis, T. L. T., 与 Geoffrey Chamberlain. Obstetrics by Ten Teachers. Fifteenth edition. Edward Arnold, 1990.
警告：这些引文格式不一定是100％准确.