Cita APA (7a ed.)
Barnes, H. E., & David, H. The History of Western Civilization. Harcourt, Brace and Company.
Cita estilo Chicago (17a ed.)
Barnes, Harry Elmer, y Henry David. The History of Western Civilization. Nueva York, EUA: Harcourt, Brace and Company.
Cita MLA (9a ed.)
Barnes, Harry Elmer, y Henry David. The History of Western Civilization. Harcourt, Brace and Company.
Precaución: Estas citas no son 100% exactas.