APA (7th ed.) Citation

Billington, R. A. (1956). The Far Western frontier, 1830-1860 ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Billington, Ray Allen. The Far Western Frontier, 1830-1860. [1st ed.]. New York: Harper, 1956.

MLA (9th ed.) Citation

Billington, Ray Allen. The Far Western Frontier, 1830-1860. [1st ed.]. Harper, 1956.