National Museum of American Art (U.S.), Denver Art Museum, St. Louis Art Museum, Truettner, W. H., & Anderson, N. K. (1991). The West as America: Reinterpreting images of the frontier, 1820-1920. Published for the National Museum of American Art by the Smithsonian Institution Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Museum of American Art (U.S.), Denver Art Museum, St. Louis Art Museum, William H. Truettner, और Nancy K. Anderson. The West as America: Reinterpreting Images of the Frontier, 1820-1920. Washington: Published for the National Museum of American Art by the Smithsonian Institution Press, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Museum of American Art (U.S.), et al. The West as America: Reinterpreting Images of the Frontier, 1820-1920. Published for the National Museum of American Art by the Smithsonian Institution Press, 1991.