APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Malone, Michael P., and Richard W. Etulain. The American West: A Twentieth-century History. Lincoln u.a: Univ. of Nebraska Pr, 1989.

MLA (9th ed.) Citation

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