APA (7th ed.) Citation

Hafen, L. R. (1995). Fur traders, trappers, and mountain men of the upper Missouri. University of Nebraska Press.

Chicago Style (17th ed.) Citation

Hafen, LeRoy R. Fur Traders, Trappers, and Mountain Men of the Upper Missouri. Lincoln ; London: University of Nebraska Press, 1995.

MLA (9th ed.) Citation

Hafen, LeRoy R. Fur Traders, Trappers, and Mountain Men of the Upper Missouri. University of Nebraska Press, 1995.