Cita APA (7th ed.)

Marx, K., & Engels, F. (1986). Karl, Marx, Frederick Engels collected works. Progress Pub.

Cita Chicago (17th ed.)

Marx, Karl, i Frederick Engels. Karl, Marx, Frederick Engels Collected Works. Moscow: Progress Pub, 1986.

Cita MLA (9th ed.)

Marx, Karl, i Frederick Engels. Karl, Marx, Frederick Engels Collected Works. Progress Pub, 1986.