APA (7th ed.) Citation

Turner, F. J. (1920). The frontier in American history. H. Holt and Company.

Chicago Style (17th ed.) Citation

Turner, Frederick Jackson. The Frontier in American History. New York: H. Holt and Company, 1920.

MLA (9th ed.) Citation

Turner, Frederick Jackson. The Frontier in American History. H. Holt and Company, 1920.