APA (7th ed.) Citation

Rosa, J. G., & May, R. (1977). Gunsmoke: A study of violence in the Wild West. New English Library.

Chicago Style (17th ed.) Citation

Rosa, Joseph G., and Robin May. Gunsmoke: A Study of Violence in the Wild West. London: New English Library, 1977.

MLA (9th ed.) Citation

Rosa, Joseph G., and Robin May. Gunsmoke: A Study of Violence in the Wild West. New English Library, 1977.