@book{53690,
	author = {Van Middeldyk, R. A. and Brumbaugh, Martin Grove,},
	title = {The History of Puerto Rico :},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-05-01},
	url = {https://www.gutenberg.org/ebooks/12272}
}