APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.