APA (7th ed.) Citation

Bernard Clairvaux, A. (1970). S. Bernardi opera. Ed. Cistercienses.

Chicago Style (17th ed.) Citation

Bernard Clairvaux, Abt. S. Bernardi Opera. Romae: Ed. Cistercienses, 1970.

MLA (9th ed.) Citation

Bernard Clairvaux, Abt. S. Bernardi Opera. Ed. Cistercienses, 1970.

Warning: These citations may not always be 100% accurate.