Briggs, H. E. (1950). Frontiers of the Northwest: A history of the upper Missouri valley (Reprint [of the ed.] Appleton-Century 1940.). Smith.
Chicago Style (17th ed.) CitationBriggs, Harold Edward. Frontiers of the Northwest: A History of the Upper Missouri Valley. Reprint [of the ed.] Appleton-Century 1940. New York: Smith, 1950.
MLA (9th ed.) CitationBriggs, Harold Edward. Frontiers of the Northwest: A History of the Upper Missouri Valley. Reprint [of the ed.] Appleton-Century 1940. Smith, 1950.
Warning: These citations may not always be 100% accurate.