APA (7th ed.) Citation

Wuerthner, G., Crist, E., & Butler, T. (2015). Protecting the wild: Parks and wilderness, the foundation for conservation. Foundation for Deep Ecology ; Island Press.

Chicago Style (17th ed.) Citation

Wuerthner, George, Eileen Crist, and Tom Butler. Protecting the Wild: Parks and Wilderness, the Foundation for Conservation. San Francisco, CA : Washington, DC: Foundation for Deep Ecology ; Island Press, 2015.

MLA (8th ed.) Citation

Wuerthner, George, et al. Protecting the Wild: Parks and Wilderness, the Foundation for Conservation. Foundation for Deep Ecology ; Island Press, 2015.