APA (7th ed.) Citation

Schullery, P. (2001). America's national parks: The spectacular forces that shaped our treasured land (1st American ed.). DK.

Chicago Style (17th ed.) Citation

Schullery, Paul. America's National Parks: The Spectacular Forces That Shaped Our Treasured Land. 1st American ed. London : New York: DK, 2001.

MLA (8th ed.) Citation

Schullery, Paul. America's National Parks: The Spectacular Forces That Shaped Our Treasured Land. 1st American ed. DK, 2001.

Warning: These citations may not always be 100% accurate.