Simeonova, L. (1998). Diplomacy of the letter and the cross: Photios, Bulgaria and the papacy, 860 s - 880 s. Classical and Byzantine monographs.
Chicago Style (17th ed.) CitationSimeonova, Liljana. "Diplomacy of the Letter and the Cross: Photios, Bulgaria and the Papacy, 860 S - 880 S." Classical and Byzantine Monographs 1998.
MLA (8th ed.) CitationSimeonova, Liljana. "Diplomacy of the Letter and the Cross: Photios, Bulgaria and the Papacy, 860 S - 880 S." Classical and Byzantine Monographs, 1998.
Warning: These citations may not always be 100% accurate.