APA (7th ed.) Citation

Clayton, J. (2019). Natural rivals: John Muir, Gifford Pinchot, and the creation of America's public lands (First Pegasus books cloth edition.). Pegasus Books.

Chicago Style (17th ed.) Citation

Clayton, John. Natural Rivals: John Muir, Gifford Pinchot, and the Creation of America's Public Lands. First Pegasus books cloth edition. New York: Pegasus Books, 2019.

MLA (8th ed.) Citation

Clayton, John. Natural Rivals: John Muir, Gifford Pinchot, and the Creation of America's Public Lands. First Pegasus books cloth edition. Pegasus Books, 2019.

Warning: These citations may not always be 100% accurate.