APA (7th ed.) Citation

Smith, N., & Hirst, M. (1991). The American frontier. Wayland.

Chicago Style (17th ed.) Citation

Smith, Nigel, and Mike Hirst. The American Frontier. Hove: Wayland, 1991.

MLA (9th ed.) Citation

Smith, Nigel, and Mike Hirst. The American Frontier. Wayland, 1991.

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