APA (7th ed.) Citation

Stewart, C. (1999). Cassian the monk (1. issued as paperback.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Stewart, Columba. Cassian the Monk. 1. issued as paperback. New York [u.a.]: Oxford Univ. Press, 1999.

MLA (9th ed.) Citation

Stewart, Columba. Cassian the Monk. 1. issued as paperback. Oxford Univ. Press, 1999.