APA (7th ed.) Citation

Malone, M. P., & Etulain, R. W. (1989). The American West: A twentieth-century history. University of Nebraska Press.

Chicago Style (17th ed.) Citation

Malone, Michael P., and Richard W. Etulain. The American West: A Twentieth-century History. Lincoln: University of Nebraska Press, 1989.

MLA (9th ed.) Citation

Malone, Michael P., and Richard W. Etulain. The American West: A Twentieth-century History. University of Nebraska Press, 1989.