United States Information Agency. American sketchbook. Short biosketches of 21 distinguished americans.
Cita Chicago Style (17a ed.)United States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
Cita MLA (8a ed.)United States Information Agency. American Sketchbook. Short Biosketches of 21 Distinguished Americans.
Precaución: Estas citas no son 100% exactas.