Billington, R. A. 1., & Hedges, J. B. 1. (1974). Westward expansion: A history of the American frontier (4. edition.). New York: Macmillan Publishing Co., INC..
Chicago Style CitationBillington, Ray Allen 1903-1981, and James Blaine 1894-1965 Hedges. Westward Expansion: A History of the American Frontier. 4. edition. New York: Macmillan Publishing Co., INC., 1974.
MLA CitationBillington, Ray Allen 1903-1981, and James Blaine 1894-1965 Hedges. Westward Expansion: A History of the American Frontier. 4. edition. New York: Macmillan Publishing Co., INC., 1974.
Warning: These citations may not always be 100% accurate.