APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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