APA (7th ed.) Citation

Obstetrics by Ten Teachers, Baker, P. N., & Kenny, L. C. (2011). Obstetrics by ten teachers (19th ed.). Tayolr & Francis Group.

Chicago Style (17th ed.) Citation

Obstetrics by Ten Teachers, Philip N. Baker, and Louise C. Kenny. Obstetrics by Ten Teachers. 19th ed. London: Tayolr & Francis Group, 2011.

MLA (9th ed.) Citation

Obstetrics by Ten Teachers, et al. Obstetrics by Ten Teachers. 19th ed. Tayolr & Francis Group, 2011.