Engels, F. (1972). The origin of the family, private property and the state (1. edición.). International Publishers.
Style de citation Chicago (17e éd.)Engels, Friedich. The Origin of the Family, Private Property and the State. 1. edición. New York: International Publishers, 1972.
Style de citation MLA (9e éd.)Engels, Friedich. The Origin of the Family, Private Property and the State. 1. edición. International Publishers, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.