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.) CitationWuerthner, George, Eileen Crist, and Tom Butler. Protecting the Wild: Parks and Wilderness, the Foundation for Conservation. San Francisco : Washington, D.C.: Foundation for Deep Ecology ; Island Press, 2015.
MLA (9th ed.) CitationWuerthner, George, et al. Protecting the Wild: Parks and Wilderness, the Foundation for Conservation. Foundation for Deep Ecology ; Island Press, 2015.
Warning: These citations may not always be 100% accurate.