Sullivan, R. E. (1962). Heirs of the Roman Empire (2nd printing.). Cornell University Press.
Cita Chicago Style (17a ed.)Sullivan, Richard E. Heirs of the Roman Empire. 2nd printing. Ithaca (New York): Cornell University Press, 1962.
Cita MLA (9a ed.)Sullivan, Richard E. Heirs of the Roman Empire. 2nd printing. Cornell University Press, 1962.
Precaución: Estas citas no son 100% exactas.