The origin of the family, private property, and the state /
Friedrich Engels ; introduction by Michèle Barrett.

APA Citation

Engels, F., Barrett, M., Morgan, L. Henry. (19851972). The origin of the family, private property, and the state. Hammondsworth, Middlesex: Penguin Books.

MLA Citation

Engels, Friedrich, 1820-1895, Michèle Barrett, and Lewis Henry Morgan. The Origin of the Family, Private Property, And the State. Hammondsworth, Middlesex: Penguin Books, 19851972.

Warning: These citations may not always be complete (especially for serials).