@book{93366,
	author = {Shelton, Napier, and Dodge, Natt N.},
	title = {Saguaro National Monument, Arizona},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {"Based on an earlier work by Natt Dodge."},
	url = {https://www.gutenberg.org/ebooks/52532}
}