Cita APA (7a ed.)

CRUMP, C., & Jacob, E. (1926). The legacy of the middle ages. Clarendon Press.

Cita Chicago Style (17a ed.)

CRUMP, C.G, y E.G Jacob. The Legacy of the Middle Ages. Oxford: Clarendon Press, 1926.

Cita MLA (9a ed.)

CRUMP, C.G, y E.G Jacob. The Legacy of the Middle Ages. Clarendon Press, 1926.