Wheat, C. I. (1954). Mapping the American West, 1540-1857: A preliminary study. American Antiquarian Society.
Cita Chicago Style (17a ed.)Wheat, Carl I. Mapping the American West, 1540-1857: A Preliminary Study. Worcester, Mass.: American Antiquarian Society, 1954.
Cita MLA (8a ed.)Wheat, Carl I. Mapping the American West, 1540-1857: A Preliminary Study. American Antiquarian Society, 1954.
Precaución: Estas citas no son 100% exactas.