Cita APA (7th ed.)
Stepanov, T., & Stefanova, T. (2010). The Bulgars and the Steppe Empire in the Early Middle Ages: The problem of the others. Brill.
Cita Chicago (17th ed.)
Stepanov, T͡Svetelin, i Tati͡ana Stefanova. The Bulgars and the Steppe Empire in the Early Middle Ages: The Problem of the Others. Leiden [The Netherlands] ; Boston: Brill, 2010.
Cita MLA (9th ed.)
Stepanov, T͡Svetelin, i Tati͡ana Stefanova. The Bulgars and the Steppe Empire in the Early Middle Ages: The Problem of the Others. Brill, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.