@book{91145,
	author = {Petrarca, Francesco, and Higginson, Thomas Wentworth,},
	title = {Fifteen sonnets of Petrarch},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Il_Canzoniere},
	url = {https://www.gutenberg.org/ebooks/50307}
}