Cita APA (7a ed.)

Johnsgard, P. A. (2013). Yellowstone Wildlife: Ecology and Natural History of the Greater Yellowstone Ecosystem. University Press of Colorado.

Cita Chicago Style (17a ed.)

Johnsgard, Paul A. Yellowstone Wildlife: Ecology and Natural History of the Greater Yellowstone Ecosystem. Boulder: University Press of Colorado, 2013.

Cita MLA (8a ed.)

Johnsgard, Paul A. Yellowstone Wildlife: Ecology and Natural History of the Greater Yellowstone Ecosystem. University Press of Colorado, 2013.