Schullery, P. (2001). America's national parks: The spectacular forces that shaped our treasured lands (1a. ed.). Discovery Channel.
Citação norma ChicagoSchullery, Paul. America's National Parks: The Spectacular Forces That Shaped Our Treasured Lands. 1a. ed. Nueva York: Discovery Channel, 2001.
Citação norma MLASchullery, Paul. America's National Parks: The Spectacular Forces That Shaped Our Treasured Lands. 1a. ed. Discovery Channel, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.