Cita APA (7a 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 Style (17a ed.)
Stepanov, T͡Svetelin, y 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 (9a ed.)
Stepanov, T͡Svetelin, y Tati͡ana Stefanova. The Bulgars and the Steppe Empire in the Early Middle Ages: The Problem of the Others. Brill, 2010.
Precaución: Estas citas no son 100% exactas.