McNulty, T. (1990). Washington's wild rivers: The unfinished work. Mountaineers.
Cita Chicago Style (17a ed.)McNulty, Tim. Washington's Wild Rivers: The Unfinished Work. Seattle: Mountaineers, 1990.
Cita MLA (8a ed.)McNulty, Tim. Washington's Wild Rivers: The Unfinished Work. Mountaineers, 1990.
Precaución: Estas citas no son 100% exactas.