APA (7th ed.) Citation

Atiya, A. S. (1968). A history of eastern Christianity. Methuen.

Chicago Style (17th ed.) Citation

Atiya, Aziz Suryal. A History of Eastern Christianity. London: Methuen, 1968.

MLA (9th ed.) Citation

Atiya, Aziz Suryal. A History of Eastern Christianity. Methuen, 1968.