Cita APA (7th ed.)
Engels, F. (2001). The Origin of the family, private property, and the state. Electric Book Co..
Cita Chicago (17th ed.)
Engels, Friedrich. The Origin of the Family, Private Property, and the State. London: Electric Book Co., 2001.
Cita MLA (9th ed.)
Engels, Friedrich. The Origin of the Family, Private Property, and the State. Electric Book Co., 2001.
Atenció: Aquestes cites poden no estar 100% correctes.