APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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