APA (7th ed.) Citation

Bernard Clairvaux, A. (1953). The letters of St. Bernard of Clairvaux. Oates.

Chicago Style (17th ed.) Citation

Bernard Clairvaux, Abt. The Letters of St. Bernard of Clairvaux. London: Oates, 1953.

MLA (9th ed.) Citation

Bernard Clairvaux, Abt. The Letters of St. Bernard of Clairvaux. Oates, 1953.

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