Photius Constantinopolitanus 820-891. (1982). The Patriarch and the prince: The letter of Patriarch Photios of Constantinople to Khan Boris of Bulgaria. Holy Cross Orthodox Press.
Chicago Style (17th ed.) CitationPhotius Constantinopolitanus 820-891. The Patriarch and the Prince: The Letter of Patriarch Photios of Constantinople to Khan Boris of Bulgaria. Brookline, Mass: Holy Cross Orthodox Press, 1982.
MLA (9th ed.) CitationPhotius Constantinopolitanus 820-891. The Patriarch and the Prince: The Letter of Patriarch Photios of Constantinople to Khan Boris of Bulgaria. Holy Cross Orthodox Press, 1982.
Warning: These citations may not always be 100% accurate.