@book{84006,
	author = {Parsons, Frances Theodora, and Satterlee, Marion,},
	title = {How to know the ferns},
	publisher = {Project Gutenberg,},
	year = {2013},
	address = {Salt Lake City, UT :},
	note = {Release date is 2013-07-09},
	url = {https://www.gutenberg.org/ebooks/43167}
}