APA цитиране

Duffy, J. J., & Parker, J. (1979). The Synodicon vetus. Washington : Locust Valley, N.Y.: Dumbarton Oaks, Center for Byzantine Studies, Trustees for Harvard University ; distributed by J. J. Augustin.

Чикагска система за цитиране

Duffy, John J., и John Parker. The Synodicon Vetus. Washington : Locust Valley, N.Y.: Dumbarton Oaks, Center for Byzantine Studies, Trustees for Harvard University ; distributed by J. J. Augustin, 1979.

MLA формат за цитиране

Duffy, John J., и John Parker. The Synodicon Vetus. Washington : Locust Valley, N.Y.: Dumbarton Oaks, Center for Byzantine Studies, Trustees for Harvard University ; distributed by J. J. Augustin, 1979.