APA引文

Kaw Valley Films & Marshall Publishing and Promotions. (2009). The history of the Oregon Trail and the Pony Express. Marshall Pub. and Promotions.

Chicago Style (17th ed.) Citation

Kaw Valley Films and Marshall Publishing and Promotions. The History of the Oregon Trail and the Pony Express. [United States]: Marshall Pub. and Promotions, 2009.

MLA引文

Kaw Valley Films and Marshall Publishing and Promotions. The History of the Oregon Trail and the Pony Express. Marshall Pub. and Promotions, 2009.

警告：這些引文格式不一定是100％准確.