Dyfyniad APA

Hill, W. E. (2010). The Pony Express trail: Yesterday and today. Caxton Press.

Dyfyniad Arddull Chicago

Hill, William E. The Pony Express Trail: Yesterday and Today. Caldwell, Idaho: Caxton Press, 2010.

Dyfyniad MLA

Hill, William E. The Pony Express Trail: Yesterday and Today. Caxton Press, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.