Duncan, D. (2009). The national parks: America's best idea : an illustrated history. New York: Alfred A. Knopf.
Style de citation ChicagoDuncan, Dayton. The National Parks: America's Best Idea : An Illustrated History. New York: Alfred A. Knopf, 2009.
Style de citation MLADuncan, Dayton. The National Parks: America's Best Idea : An Illustrated History. New York: Alfred A. Knopf, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.