APA-viite (7. p.)
Ratisbonne, T. (1991). St. Bernard of Clairvaux: Oracle of the twelfth century. Tan Books and Publishers.
Chicago-viite (17. p.)
Ratisbonne, Théodore. St. Bernard of Clairvaux: Oracle of the Twelfth Century. Rockford (Illinois): Tan Books and Publishers, 1991.
MLA-viite (9. p.)
Ratisbonne, Théodore. St. Bernard of Clairvaux: Oracle of the Twelfth Century. Tan Books and Publishers, 1991.
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