Duncan, D., & Burns, K. (2010). The national parks: America's best idea : an illustrated history. New York: Alfred A. Knopf.
Chicago Style CitationDuncan, Dayton, and Ken Burns. The National Parks: America's Best Idea : An Illustrated History. New York: Alfred A. Knopf, 2010.
MLA CitationDuncan, Dayton, and Ken Burns. The National Parks: America's Best Idea : An Illustrated History. New York: Alfred A. Knopf, 2010.
Warning: These citations may not always be 100% accurate.