APA (7th ed.) Citation

Lewis, T. L. T., & Chamberlain, G. (1990). Obstetrics by ten teachers (15th ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Lewis, T.L.T.(Thomas Loftus Townshend), and G.V.P Chamberlain. Obstetrics by Ten Teachers. 15th ed. London: Edward Arnold, 1990.

MLA (9th ed.) Citation

Lewis, T.L.T.(Thomas Loftus Townshend), and G.V.P Chamberlain. Obstetrics by Ten Teachers. 15th ed. Edward Arnold, 1990.