Burton, J. (2009). The deadliest outlaws: The Ketchum gang and the Wild Bunch (2nd ed.). University of North Texas Press.
Chicago-Zitierstil (17. Ausg.)Burton, Jeffrey. The Deadliest Outlaws: The Ketchum Gang and the Wild Bunch. 2nd ed. Denton, Tex: University of North Texas Press, 2009.
MLA-Zitierstil (9. Ausg.)Burton, Jeffrey. The Deadliest Outlaws: The Ketchum Gang and the Wild Bunch. 2nd ed. University of North Texas Press, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.