Sawyer, A. (2020). Hiking waterfalls Oregon: A guide to the state's best waterfall hikes (Second edition.). FalconGuides.
Cita Chicago Style (17a ed.)Sawyer, Adam. Hiking Waterfalls Oregon: A Guide to the State's Best Waterfall Hikes. Second edition. Guilford: FalconGuides, 2020.
Cita MLA (8a ed.)Sawyer, Adam. Hiking Waterfalls Oregon: A Guide to the State's Best Waterfall Hikes. Second edition. FalconGuides, 2020.
Precaución: Estas citas no son 100% exactas.