Cita APA (7a ed.)
(1937). History of civilization. Ginn and company.
Cita Chicago Style (17a ed.)
History of Civilization. Boston, New York: Ginn and company, 1937.
Cita MLA (9a ed.)
History of Civilization. Ginn and company, 1937.
Precaución: Estas citas no son 100% exactas.