Cita APA (7a ed.)

Federal Writers' Project. (1939). The Oregon Trail: The Missouri river to the Pacific ocean. Hastings House.

Cita Chicago Style (17a ed.)

Federal Writers' Project. The Oregon Trail: The Missouri River to the Pacific Ocean. New York: Hastings House, 1939.

Cita MLA (8a ed.)

Federal Writers' Project. The Oregon Trail: The Missouri River to the Pacific Ocean. Hastings House, 1939.

Precaución: Estas citas no son 100% exactas.