Beckey, F. (2000). Cascade alpine guide: Climbing and high routes (3rd ed.). Mountaineers Books.
Cita Chicago Style (17a ed.)Beckey, Fred. Cascade Alpine Guide: Climbing and High Routes. 3rd ed. Seattle: Mountaineers Books, 2000.
Cita MLA (8a ed.)Beckey, Fred. Cascade Alpine Guide: Climbing and High Routes. 3rd ed. Mountaineers Books, 2000.
Precaución: Estas citas no son 100% exactas.