Amundson, C. J. (1940). History of the Willamette Valley and Cascade Mountain Wagon Road Company.
Cita Chicago Style (17a ed.)Amundson, Carroll John. History of the Willamette Valley and Cascade Mountain Wagon Road Company. [Eugene, Or, 1940.
Cita MLA (8a ed.)Amundson, Carroll John. History of the Willamette Valley and Cascade Mountain Wagon Road Company. 1940.
Precaución: Estas citas no son 100% exactas.