Shannon, D. H. (1993). The Utter disaster on the Oregon Trail: The Utter and Van Ornum massacres of 1860. Snake Country Pub..
Cita Chicago Style (17a ed.)Shannon, Donald H. The Utter Disaster on the Oregon Trail: The Utter and Van Ornum Massacres of 1860. Caldwell, Idaho: Snake Country Pub., 1993.
Cita MLA (8a ed.)Shannon, Donald H. The Utter Disaster on the Oregon Trail: The Utter and Van Ornum Massacres of 1860. Snake Country Pub., 1993.
Precaución: Estas citas no son 100% exactas.