@book{81663,
	author = {Gillis, Charles J.},
	title = {Another Summer: The Yellowstone Park and Alaska},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-09-22},
	url = {https://www.gutenberg.org/ebooks/40824}
}