Wert, F. (1992). Washington's rail-trails: A guide for walkers, bicyclists, equestrians. Mountaineers.
Cita Chicago Style (17a ed.)Wert, Fred. Washington's Rail-trails: A Guide for Walkers, Bicyclists, Equestrians. Seattle, Wash.: Mountaineers, 1992.
Cita MLA (8a ed.)Wert, Fred. Washington's Rail-trails: A Guide for Walkers, Bicyclists, Equestrians. Mountaineers, 1992.
Precaución: Estas citas no son 100% exactas.