APA (7th ed.) Citation

Clark, T. D. (1969). Frontier America: The story of the westward movement (2d ed.). Scribner.

Chicago Style (17th ed.) Citation

Clark, Thomas Dionysius. Frontier America: The Story of the Westward Movement. 2d ed. New York: Scribner, 1969.

MLA (8th ed.) Citation

Clark, Thomas Dionysius. Frontier America: The Story of the Westward Movement. 2d ed. Scribner, 1969.