APA (7th ed.) Citation

L'Amour, L., & Webb, J. R. (1963). How the West was won: A novel. Bantam Books.

Chicago Style (17th ed.) Citation

L'Amour, Louis, and James R. Webb. How the West Was Won: A Novel. New York: Bantam Books, 1963.

MLA (8th ed.) Citation

L'Amour, Louis, and James R. Webb. How the West Was Won: A Novel. Bantam Books, 1963.

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