Ruby, R. H., & Brown, J. A. (1992). A guide to the Indian tribes of the Pacific Northwest (Rev. ed.). University of Oklahoma Press.
Cita Chicago Style (17a ed.)Ruby, Robert H., y John A. Brown. A Guide to the Indian Tribes of the Pacific Northwest. Rev. ed. Norman: University of Oklahoma Press, 1992.
Cita MLA (8a ed.)Ruby, Robert H., y John A. Brown. A Guide to the Indian Tribes of the Pacific Northwest. Rev. ed. University of Oklahoma Press, 1992.
Precaución: Estas citas no son 100% exactas.