APA引文

Campbell, S., & Stuart Campbell; Christoph Lees. (1990). Obstetrics by ten teachers. London,New York: Arnold,Oxford University Press.

Trích dẫn kiểu Chicago

Campbell, Stuart, và Stuart Campbell; Christoph Lees. Obstetrics By Ten Teachers. London,New York: Arnold,Oxford University Press, 1990.

MLA引文

Campbell, Stuart, và Stuart Campbell; Christoph Lees. Obstetrics By Ten Teachers. London,New York: Arnold,Oxford University Press, 1990.

警告：这些引文格式不一定是100％准确.