Cita APA

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

Chicago Style Citation

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

Cita MLA

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