APA (7th ed.) Citation

Paffrath, A., & Bernard Clairvaux, A. (1984). Bernhard von Clairvaux. Heider.

Chicago Style (17th ed.) Citation

Paffrath, Arno, and Abt Bernard Clairvaux. Bernhard Von Clairvaux. Bergisch Gladbach: Heider, 1984.

MLA (9th ed.) Citation

Paffrath, Arno, and Abt Bernard Clairvaux. Bernhard Von Clairvaux. Heider, 1984.

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