APA-viite (7. p.)

McGuire, B. P. (1991). The difficult saint: Bernard of Clairvaux and his tradition. Cistercian.

Chicago-viite (17. p.)

McGuire, Brian Patrick. The Difficult Saint: Bernard of Clairvaux and His Tradition. Kalamazoo, Mich.: Cistercian, 1991.

MLA-viite (8. p.)

McGuire, Brian Patrick. The Difficult Saint: Bernard of Clairvaux and His Tradition. Cistercian, 1991.