APA (7th ed.) Citation

Briggs, H. E. (1950). Frontiers of the Northwest: A history of upper Missouri valley. Smith.

Chicago Style (17th ed.) Citation

Briggs, Harold Edward. Frontiers of the Northwest: A History of Upper Missouri Valley. New York: Smith, 1950.

MLA (9th ed.) Citation

Briggs, Harold Edward. Frontiers of the Northwest: A History of Upper Missouri Valley. Smith, 1950.