APA (7th ed.) Citation

Marshall, G. N., & Poling, D. (1971). Schweitzer: A biography, (First edition.). Doubleday.

Chicago Style (17th ed.) Citation

Marshall, George N., and David Poling. Schweitzer: A Biography,. First edition. Garden City, N.Y.: Doubleday, 1971.

MLA (8th ed.) Citation

Marshall, George N., and David Poling. Schweitzer: A Biography,. First edition. Doubleday, 1971.

Warning: These citations may not always be 100% accurate.