Wynn, R. M. (1983). Obstetrics and gynecology annual 1983. Appleton-Century-Crofts.
芝加哥风格引文Wynn, Ralph M. Obstetrics and Gynecology Annual 1983. Conecticut: Appleton-Century-Crofts, 1983.
MLA引文Wynn, Ralph M. Obstetrics and Gynecology Annual 1983. Appleton-Century-Crofts, 1983.
警告：这些引文格式不一定是100％准确.