Toole, K. R. (1959). Montana: An uncommon land. University of Oklahoma Press.
Cita Chicago Style (17a ed.)Toole, K. Ross. Montana: An Uncommon Land. Norman: University of Oklahoma Press, 1959.
Cita MLA (8a ed.)Toole, K. Ross. Montana: An Uncommon Land. University of Oklahoma Press, 1959.
Precaución: Estas citas no son 100% exactas.