Beckey, F. (1973). Cascade alpine guide: Climbing and high routes ([1st ed.].). Mountaineers.
Cita Chicago Style (17a ed.)Beckey, Fred. Cascade Alpine Guide: Climbing and High Routes. [1st ed.]. Seattle: Mountaineers, 1973.
Cita MLA (8a ed.)Beckey, Fred. Cascade Alpine Guide: Climbing and High Routes. [1st ed.]. Mountaineers, 1973.
Precaución: Estas citas no son 100% exactas.