Houston, C. S. (1998). Going higher: Oxygen, man, and mountains (4th ed.). Mountaineers.
Citación estilo ChicagoHouston, Charles S. Going Higher: Oxygen, Man, and Mountains. 4th ed. Seattle, Wash.: Mountaineers, 1998.
Cita MLAHouston, Charles S. Going Higher: Oxygen, Man, and Mountains. 4th ed. Mountaineers, 1998.
Warning: These citations may not always be 100% accurate.