@book{23564,
	author = {Getis, Arthur,},
	title = {Introduction to geography /},
	publisher = {McGraw-Hill Education,},
	year = {[2017]},
	address = {New York :},
	edition = {Fifteenth Edition.},
	note = {"Previous editions © 2014, 2011 and 2009"--T.p. verso.}
}