Idaho. Department of Highways & Idaho State Historical Society. (1963). Route of the Oregon Trail in Idaho. Idaho Dept. of Highways.
Style de citation Chicago (17e éd.)Idaho. Department of Highways et Idaho State Historical Society. Route of the Oregon Trail in Idaho. [Boise, Idaho]: Idaho Dept. of Highways, 1963.
Style de citation MLA (8e éd.)Idaho. Department of Highways et Idaho State Historical Society. Route of the Oregon Trail in Idaho. Idaho Dept. of Highways, 1963.
Attention : ces citations peuvent ne pas être correctes à 100%.