Gildart, R. C. (1985). Montana's Missouri River. Montana Magazine.
Cita Chicago Style (17a ed.)Gildart, Robert C. Montana's Missouri River. Helena, Mont.: Montana Magazine, 1985.
Cita MLA (8a ed.)Gildart, Robert C. Montana's Missouri River. Montana Magazine, 1985.
Precaución: Estas citas no son 100% exactas.