Mountaineers (Society), Sterling, E. M., & Spring, I. (1967). Trips and trails ([1st ed.].). The Mountaineers.
Cita Chicago Style (17a ed.)Mountaineers (Society), E. M. Sterling, y Ira Spring. Trips and Trails. [1st ed.]. Seattle: The Mountaineers, 1967.
Cita MLA (8a ed.)Mountaineers (Society), et al. Trips and Trails. [1st ed.]. The Mountaineers, 1967.
Precaución: Estas citas no son 100% exactas.