APA (7th ed.) Citation

Campbell, S., & Lees, C. (2000). Obstetric by ten teachers (17th ed.). ELST.

Chicago Style (17th ed.) Citation

Campbell, Stuart, and Christoph Lees. Obstetric by Ten Teachers. 17th ed. London: ELST, 2000.

MLA (9th ed.) Citation

Campbell, Stuart, and Christoph Lees. Obstetric by Ten Teachers. 17th ed. ELST, 2000.