Παραπομπή σε μορφή APA (7η εκδ.)

Burton, J. (2009). The deadliest outlaws: The Ketchum gang and the Wild Bunch (2nd ed.). University of North Texas Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Burton, Jeffrey. The Deadliest Outlaws: The Ketchum Gang and the Wild Bunch. 2nd ed. Denton, Tex.: University of North Texas Press, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Burton, Jeffrey. The Deadliest Outlaws: The Ketchum Gang and the Wild Bunch. 2nd ed. University of North Texas Press, 2009.