APA (7th ed.) Citation

Hough, E. (1921). The passing of the frontier: A chronicle of the old West. Yale University Press.

Chicago Style (17th ed.) Citation

Hough, Emerson. The Passing of the Frontier: A Chronicle of the Old West. New Haven: Yale University Press, 1921.

MLA (9th ed.) Citation

Hough, Emerson. The Passing of the Frontier: A Chronicle of the Old West. Yale University Press, 1921.

Warning: These citations may not always be 100% accurate.