@book{87321,
	author = {Ingersoll, Ernest,},
	title = {The Mentor: American Naturalists, Vol. 7, Num. 9, Serial No. 181, June 15, 1919},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Release date is 2014-08-02},
	url = {https://www.gutenberg.org/ebooks/46482}
}