@book{43129,
	author = {Dante Alighieri,},
	title = {La Divina Commedia di Dante: Purgatorio},
	publisher = {Project Gutenberg,},
	year = {1997},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Purgatorio},
	url = {https://www.gutenberg.org/ebooks/1010}
}