@book{3369,
	author = {Harnack, Adolf von,},
	title = {What is Christianity? /},
	publisher = {Fortress Press,},
	year = {1986, c1957.},
	address = {Philadelphia :},
	edition = {1st Fortress Press ed.},
	note = {A collection of lectures given at the University of Berlin, 1899-1900.}
}