APA-Zitierstil (7. Ausg.)

(1970). Christianity through the thirteenth century (1. Harper paperback ed.). Harper & Row.

Chicago-Zitierstil (17. Ausg.)

Christianity Through the Thirteenth Century. 1. Harper paperback ed. New York [u.a.]: Harper & Row, 1970.

MLA-Zitierstil (9. Ausg.)

Christianity Through the Thirteenth Century. 1. Harper paperback ed. Harper & Row, 1970.