Bishop, E. M. (2004). Hiking Oregon's geology (2nd ed.). Mountaineers Books.
Chicago Style (17th ed.) CitationBishop, Ellen Morris. Hiking Oregon's Geology. 2nd ed. Seattle, WA: Mountaineers Books, 2004.
MLA (8th ed.) CitationBishop, Ellen Morris. Hiking Oregon's Geology. 2nd ed. Mountaineers Books, 2004.
Warning: These citations may not always be 100% accurate.