Somervill, B. A. (2007). Clara Barton: Founder of the American Red Cross. Compass Point Books.
Cita Chicago Style (17a ed.)Somervill, Barbara A. Clara Barton: Founder of the American Red Cross. Minneapolis, Minn.: Compass Point Books, 2007.
Cita MLA (8a ed.)Somervill, Barbara A. Clara Barton: Founder of the American Red Cross. Compass Point Books, 2007.
Precaución: Estas citas no son 100% exactas.