APA (7th ed.) Citation

Marshall, G. N., & Poling, D. (1971). Schweitzer: A biography ([1st ed.].). Doubleday.

Chicago Style (17th ed.) Citation

Marshall, George N., and David Poling. Schweitzer: A Biography. [1st ed.]. Garden City, N.Y.: Doubleday, 1971.

MLA (9th ed.) Citation

Marshall, George N., and David Poling. Schweitzer: A Biography. [1st ed.]. Doubleday, 1971.