Keyser, J. D. (1992). Indian rock art of the Columbia plateau. University of Washington Press.
Cita Chicago Style (17a ed.)Keyser, James D. Indian Rock Art of the Columbia Plateau. Seattle: University of Washington Press, 1992.
Cita MLA (9a ed.)Keyser, James D. Indian Rock Art of the Columbia Plateau. University of Washington Press, 1992.
Precaución: Estas citas no son 100% exactas.