Cita APA (7a ed.)

Meyendorff, J. (1989). Imperial unity and christians divisions: The Church 450-680 A.D. St. Vladimir's Seminary Press.

Cita Chicago Style (17a ed.)

Meyendorff, John. Imperial Unity and Christians Divisions: The Church 450-680 A.D. Crestwood (New York): St. Vladimir's Seminary Press, 1989.

Cita MLA (9a ed.)

Meyendorff, John. Imperial Unity and Christians Divisions: The Church 450-680 A.D. St. Vladimir's Seminary Press, 1989.