Bjornstad, B. N. (2006). On the trail of the Ice Age floods: A geological field guide to the mid-Columbia basin. Keokee Books.
Cita Chicago Style (17a ed.)Bjornstad, Bruce N. On the Trail of the Ice Age Floods: A Geological Field Guide to the Mid-Columbia Basin. Sandpoint, Idaho: Keokee Books, 2006.
Cita MLA (8a ed.)Bjornstad, Bruce N. On the Trail of the Ice Age Floods: A Geological Field Guide to the Mid-Columbia Basin. Keokee Books, 2006.
Precaución: Estas citas no son 100% exactas.