Cita APA (7th ed.)

Edited by Norman F. Cantor. (1964). Early middle ages (500-1000), (2nd ed.). Free Press.

Cita Chicago (17th ed.)

Edited by Norman F. Cantor. Early Middle Ages (500-1000),. 2nd ed. New York,: Free Press, 1964.

Cita MLA (9th ed.)

Edited by Norman F. Cantor. Early Middle Ages (500-1000),. 2nd ed. Free Press, 1964.