APA (7th ed.) Citation

Runciman, S. (1955). The Eastern Schism: A study of the papacy and the Eastern Churches during the XIth and XIIth centuries. Clarendon Press.

Chicago Style (17th ed.) Citation

Runciman, Steven. The Eastern Schism: A Study of the Papacy and the Eastern Churches During the XIth and XIIth Centuries. Oxford: Clarendon Press, 1955.

MLA (9th ed.) Citation

Runciman, Steven. The Eastern Schism: A Study of the Papacy and the Eastern Churches During the XIth and XIIth Centuries. Clarendon Press, 1955.