Clayton, J. (2019). Natural rivals: John Muir, Gifford Pinchot, and the creation of America's public lands (First Pegasus books cloth edition.). Pegasus Books.
Style de citation Chicago (17e éd.)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.
Style de citation MLA (8e éd.)Clayton, John. Natural Rivals: John Muir, Gifford Pinchot, and the Creation of America's Public Lands. First Pegasus books cloth edition. Pegasus Books, 2019.
Attention : ces citations peuvent ne pas être correctes à 100%.