APA (7th ed.) Citation

Bernard, o. C., Leclercq, J., Talbot, C. H., & Rochais, H. M. (1957). Opera. Editiones Cistercienses.

Chicago Style (17th ed.) Citation

Bernard, of Clairvaux, Jean Leclercq, C. H. Talbot, and H. M. Rochais. Opera. Rome: Editiones Cistercienses, 1957.

MLA (8th ed.) Citation

Bernard, of Clairvaux, et al. Opera. Editiones Cistercienses, 1957.