Cita APA (7a ed.)

Davis, R. H. C. (1964). The early Middle Ages. Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Davis, Ralph H. C. The Early Middle Ages. London: Routledge & Kegan Paul, 1964.

Cita MLA (9a ed.)

Davis, Ralph H. C. The Early Middle Ages. Routledge & Kegan Paul, 1964.