Cita APA (7a ed.)

Lot, F., Leon, M., & Leon, P. (1961). The End of the Ancient World and the Beginnings of the Middle Ages. Harper and Row.

Cita Chicago Style (17a ed.)

Lot, Ferdinand, Mariette Leon, y Philip Leon. The End of the Ancient World and the Beginnings of the Middle Ages. New York: Harper and Row, 1961.

Cita MLA (9a ed.)

Lot, Ferdinand, et al. The End of the Ancient World and the Beginnings of the Middle Ages. Harper and Row, 1961.