@book{30359,
	author = {Ratzinger, Joseph  and Foster, J. R. },
	title = {Introduction to Christianity},
	publisher = {The Seabury Press,},
	year = {1969},
	address = {New York :},
	note = {Translation of: Originally published as Einführung in das Christentum. München (Munich), Kösel Verlag, 1968.}
}