@book{56722,
	author = {Nieto Aguilar, José},
	title = {Mindanao: Su Historia y Geografía},
	publisher = {Project Gutenberg,},
	year = {2005},
	address = {Salt Lake City, UT :},
	note = {Release date is 2005-03-12},
	url = {https://www.gutenberg.org/ebooks/15334}
}