APA (7th ed.) Citation

Knight, R. L., & Riedel, S. (2002). Aldo Leopold and the ecological conscience. Oxford University Press.

Chicago Style (17th ed.) Citation

Knight, Richard L., and Suzanne Riedel. Aldo Leopold and the Ecological Conscience. Oxford ; New York: Oxford University Press, 2002.

MLA (9th ed.) Citation

Knight, Richard L., and Suzanne Riedel. Aldo Leopold and the Ecological Conscience. Oxford University Press, 2002.