Runciman, S. (1955). The Eastern schism: A study of the papacy and the Eastern churches during the XIth and XIIth centuries. Clarendon.
Chicago Style (17th ed.) CitationRunciman, Steven. The Eastern Schism: A Study of the Papacy and the Eastern Churches During the XIth and XIIth Centuries. Oxford: Clarendon, 1955.
MLA (9th ed.) CitationRunciman, Steven. The Eastern Schism: A Study of the Papacy and the Eastern Churches During the XIth and XIIth Centuries. Clarendon, 1955.
Warning: These citations may not always be 100% accurate.