Engels, F. (1954). On Marx's Capital. Moscow: Foreign Languages Publishing House.
Cita Chicago (17th ed.)Engels, Friedrich. On Marx's Capital. Moscow: Foreign Languages Publishing House, 1954.
Cita MLA (8th ed.)Engels, Friedrich. On Marx's Capital. Moscow: Foreign Languages Publishing House, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.