Cita APA (7a ed.)
Pomeroy, E. S., & Etulain, R. W. (2008). The American Far West in the twentieth century. Yale University Press.
Cita Chicago Style (17a ed.)
Pomeroy, Earl S., y Richard W. Etulain. The American Far West in the Twentieth Century. New Haven: Yale University Press, 2008.
Cita MLA (9a ed.)
Pomeroy, Earl S., y Richard W. Etulain. The American Far West in the Twentieth Century. Yale University Press, 2008.
Precaución: Estas citas no son 100% exactas.