Pomeroy, E. S., & Etulain, R. W. (2008). The American Far West in the twentieth century. Yale University Press.
Čikaški stil citiranja (17. izdanje)Pomeroy, Earl S., i Richard W. Etulain. The American Far West in the Twentieth Century. New Haven: Yale University Press, 2008.
MLA način citiranja (9. izdanje)Pomeroy, Earl S., i Richard W. Etulain. The American Far West in the Twentieth Century. Yale University Press, 2008.
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