APA (7th ed.) Citation

Billington, R. A. (1956). The far western frontier: 1830 - 1860. Harper & Row.

Chicago Style (17th ed.) Citation

Billington, Ray Allen. The Far Western Frontier: 1830 - 1860. New York [u.a.]: Harper & Row, 1956.

MLA (9th ed.) Citation

Billington, Ray Allen. The Far Western Frontier: 1830 - 1860. Harper & Row, 1956.

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