Gulick, B. (1981). Chief Joseph country: Land of the Nez Perce. Caxton Printers.
Cita Chicago Style (17a ed.)Gulick, Bill. Chief Joseph Country: Land of the Nez Perce. Caldwell, Idaho: Caxton Printers, 1981.
Cita MLA (8a ed.)Gulick, Bill. Chief Joseph Country: Land of the Nez Perce. Caxton Printers, 1981.
Precaución: Estas citas no son 100% exactas.