Kaw Valley Films & Marshall Publishing and Promotions. (2009). The history of the Oregon Trail and the Pony Express. Marshall Pub. and Promotions.
Цитирование в стиле Чикаго (17-е изд.)Kaw Valley Films и Marshall Publishing and Promotions. The History of the Oregon Trail and the Pony Express. [United States]: Marshall Pub. and Promotions, 2009.
Цитирование MLA (8-е изд.)Kaw Valley Films и Marshall Publishing and Promotions. The History of the Oregon Trail and the Pony Express. Marshall Pub. and Promotions, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.