Cita APA (7a ed.)
Judd, G. P. (1966). Readings in the history of civilization. Macmillan.
Cita Chicago Style (17a ed.)
Judd, Gerrit P. Readings in the History of Civilization. New York: Macmillan, 1966.
Cita MLA (9a ed.)
Judd, Gerrit P. Readings in the History of Civilization. Macmillan, 1966.
Precaución: Estas citas no son 100% exactas.