Meyendorff, J. (1989). Imperial Unity and Christian Divisions: The Church 450-680 A. D. St. Vladimir's Seminary Press.
Chicago Style (17th ed.) CitationMeyendorff, John. Imperial Unity and Christian Divisions: The Church 450-680 A. D. Crestwood NY: St. Vladimir's Seminary Press, 1989.
MLA (9th ed.) CitationMeyendorff, John. Imperial Unity and Christian Divisions: The Church 450-680 A. D. St. Vladimir's Seminary Press, 1989.
Warning: These citations may not always be 100% accurate.