APA (7th ed.) Citation

Billington, R. A., & Ridge, M. (1982). Westward expansion: A history of the American frontier (5th ed.). Macmillan ; Collier Macmillan Publishers.

Chicago Style (17th ed.) Citation

Billington, Ray Allen, and Martin Ridge. Westward Expansion: A History of the American Frontier. 5th ed. New York : London: Macmillan ; Collier Macmillan Publishers, 1982.

MLA (8th ed.) Citation

Billington, Ray Allen, and Martin Ridge. Westward Expansion: A History of the American Frontier. 5th ed. Macmillan ; Collier Macmillan Publishers, 1982.