Citazione Stile APA (7a Edizione)

Marx, K., & Engels, F. (1968). Selected works [of] Karl Marx and Frederick Engels. Progress.

Citazione stile Chigago Style (17a edizione)

Marx, Karl, e Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Moscow: Progress, 1968.

Citatione MLA (9a ed.)

Marx, Karl, e Friedrich Engels. Selected Works [of] Karl Marx and Frederick Engels. Progress, 1968.