Pepper, D., Perkins, J., & Youngs, M. (1984). The roots of modern environmentalism / David Pepper ; with material contributed by John Perkins and Martyn Youngs ; consultant editor, Tom Colverson. Croom Helm.
Chicago Style (17th ed.) CitationPepper, David, John Perkins, and Martyn Youngs. The Roots of Modern Environmentalism / David Pepper ; with Material Contributed by John Perkins and Martyn Youngs ; Consultant Editor, Tom Colverson. London: Croom Helm, 1984.
MLA (9th ed.) CitationPepper, David, et al. The Roots of Modern Environmentalism / David Pepper ; with Material Contributed by John Perkins and Martyn Youngs ; Consultant Editor, Tom Colverson. Croom Helm, 1984.
Warning: These citations may not always be 100% accurate.