Citazione Stile APA (7a Edizione)

Marx, K., & Engels, F. (1976). Feuerbach, opposition of the materialist and idealist outlooks (2nd rev. ed.). Progress.

Citazione stile Chigago Style (17a edizione)

Marx, Karl, e Friedrich Engels. Feuerbach, Opposition of the Materialist and Idealist Outlooks. 2nd rev. ed. Moscow: Progress, 1976.

Citatione MLA (9a ed.)

Marx, Karl, e Friedrich Engels. Feuerbach, Opposition of the Materialist and Idealist Outlooks. 2nd rev. ed. Progress, 1976.