APA (7th ed.) Citation

Barron, S. L., & Thomson, A. M. (1983). Obstetrical epidemiology. Academic Press.

Chicago Style (17th ed.) Citation

Barron, S. L., and A. M. Thomson. Obstetrical Epidemiology. London ; New York: Academic Press, 1983.

MLA (9th ed.) Citation

Barron, S. L., and A. M. Thomson. Obstetrical Epidemiology. Academic Press, 1983.