Engels, F. (1972). The origin of the family, private property and the state (1. edición.). International Publishers.
Cita Chicago Style (17a ed.)Engels, Friedich. The Origin of the Family, Private Property and the State. 1. edición. New York: International Publishers, 1972.
Cita MLA (9a ed.)Engels, Friedich. The Origin of the Family, Private Property and the State. 1. edición. International Publishers, 1972.
Precaución: Estas citas no son 100% exactas.
