Schneider, R. (2022). Hiking the Columbia River Gorge: A guide to the area's greatest hiking adventures (Fourth edition.). Falcon Guides.
Cita Chicago Style (17a ed.)Schneider, Russ. Hiking the Columbia River Gorge: A Guide to the Area's Greatest Hiking Adventures. Fourth edition. Essex, Connecticut: Falcon Guides, 2022.
Cita MLA (8a ed.)Schneider, Russ. Hiking the Columbia River Gorge: A Guide to the Area's Greatest Hiking Adventures. Fourth edition. Falcon Guides, 2022.
Precaución: Estas citas no son 100% exactas.