Thayer, T. (1998). The Columbia River country of Montana and north Idaho. Montana Speaks.
Cita Chicago Style (17a ed.)Thayer, Tom. The Columbia River Country of Montana and North Idaho. Billings, Mont.: Montana Speaks, 1998.
Cita MLA (8a ed.)Thayer, Tom. The Columbia River Country of Montana and North Idaho. Montana Speaks, 1998.
Precaución: Estas citas no son 100% exactas.