Spring, I., & Fish, B. (1996). Lookouts: Firewatchers of the Cascades and Olympics (2nd ed.). Mountaineers.
Cita Chicago Style (17a ed.)Spring, Ira, y Byron Fish. Lookouts: Firewatchers of the Cascades and Olympics. 2nd ed. Seattle, WA: Mountaineers, 1996.
Cita MLA (8a ed.)Spring, Ira, y Byron Fish. Lookouts: Firewatchers of the Cascades and Olympics. 2nd ed. Mountaineers, 1996.
Precaución: Estas citas no son 100% exactas.