@book{90806,
	author = {United States. National Park Service},
	title = {Fort Jefferson National Monument, Florida},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-09-14},
	url = {https://www.gutenberg.org/ebooks/49968}
}