@book{42220,
	author = {Burroughs, Edgar Rice,},
	title = {The warlord of Mars},
	publisher = {Project Gutenberg,},
	year = {1993},
	series = {Barsoom series, 3},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Warlord_of_Mars},
	url = {https://www.gutenberg.org/ebooks/68}
}