@book{89533,
	author = {Whitney, Caspar, and Grinnell, George Bird,},
	title = {Musk-Ox, Bison, Sheep and Goat},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-04-12},
	url = {https://www.gutenberg.org/ebooks/48694}
}