Hill, W. E. (2010). The Pony Express trail: Yesterday and today. Caxton Press.
芝加哥风格引文Hill, William E. The Pony Express Trail: Yesterday and Today. Caldwell, Idaho: Caxton Press, 2010.
MLA引文Hill, William E. The Pony Express Trail: Yesterday and Today. Caxton Press, 2010.
警告：这些引文格式不一定是100％准确.