APA (7th ed.) Citation

Ilarion, M. o. V., & Kallistos, B. o. D. (2000). The spiritual world of Isaac the Syrian. Cistercian Publications.

Chicago Style (17th ed.) Citation

Ilarion, Metropolitan of Volokolamsk, and Bishop of Diokleia Kallistos. The Spiritual World of Isaac the Syrian. Kalamazoo, Mich.: Cistercian Publications, 2000.

MLA (9th ed.) Citation

Ilarion, Metropolitan of Volokolamsk, and Bishop of Diokleia Kallistos. The Spiritual World of Isaac the Syrian. Cistercian Publications, 2000.