Ward, G. C., & Duncan, D. (1996). The West: An illustrated history. Little, Brown.
Cita Chicago Style (17a ed.)Ward, Geoffrey C., y Dayton Duncan. The West: An Illustrated History. Boston: Little, Brown, 1996.
Cita MLA (8a ed.)Ward, Geoffrey C., y Dayton Duncan. The West: An Illustrated History. Little, Brown, 1996.
Precaución: Estas citas no son 100% exactas.