@book{78797,
	author = {Marsh, George P.},
	title = {Man and Nature; Or, Physical Geography as Modified by Human Action},
	publisher = {Project Gutenberg,},
	year = {2011},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Man_and_Nature},
	url = {https://www.gutenberg.org/ebooks/37957}
}