London, B., & Powell, C. (1994). Natural wonders of Idaho: A guide to parks, preserves, & wild places. Country Roads Press.
Cita Chicago Style (17a ed.)London, Bill, y Charlie Powell. Natural Wonders of Idaho: A Guide to Parks, Preserves, & Wild Places. Castine, Me.: Country Roads Press, 1994.
Cita MLA (8a ed.)London, Bill, y Charlie Powell. Natural Wonders of Idaho: A Guide to Parks, Preserves, & Wild Places. Country Roads Press, 1994.
Precaución: Estas citas no son 100% exactas.