APA (7th ed.) Citation

Ruby, R. H., & Brown, J. A. (1992). A guide to the Indian tribes of the Pacific Northwest (Rev. ed.). University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Ruby, Robert H., and John Arthur Brown. A Guide to the Indian Tribes of the Pacific Northwest. Rev. ed. Norman and London: University of Oklahoma Press, 1992.

MLA (9th ed.) Citation

Ruby, Robert H., and John Arthur Brown. A Guide to the Indian Tribes of the Pacific Northwest. Rev. ed. University of Oklahoma Press, 1992.