APA (7th ed.) Citation

Sommerfeldt, J. R. (1980). Simplicity and ordinariness: Studies in medieval Cistercian history, IV. Cistercian Publications.

Chicago Style (17th ed.) Citation

Sommerfeldt, John R. Simplicity and Ordinariness: Studies in Medieval Cistercian History, IV. Kalamazoo, Mich.: Cistercian Publications, 1980.

MLA (9th ed.) Citation

Sommerfeldt, John R. Simplicity and Ordinariness: Studies in Medieval Cistercian History, IV. Cistercian Publications, 1980.