APA
(2007). Yellowstones Destabilized Ecosystem. : Oxford University PressOxford University Press.
Chicago
2007. Yellowstones Destabilized Ecosystem. : Oxford University PressOxford University Press.
Harvard
(2007). Yellowstones Destabilized Ecosystem. : Oxford University PressOxford University Press.
MLA
Yellowstones Destabilized Ecosystem. : Oxford University PressOxford University Press. 2007.
