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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Museum of American Art (U.S.), Denver Art Museum, St. Louis Art Museum, William H. Truettner, và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National 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.