Dyfyniad APA
Jacobs, W. R. (1994). On Turner's Trail: 100 Years of Writing Western History. University Press.
Dyfyniad Arddull Chicago
Jacobs, Wilbur R. On Turner's Trail: 100 Years of Writing Western History. Kansas: University Press, 1994.
Dyfyniad MLA
Jacobs, Wilbur R. On Turner's Trail: 100 Years of Writing Western History. University Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.