APA (7th ed.) Citation

Marx, K., & Engels, F. (1950). Briefwechsel: 4 1868 - 1883. Briefwechsel, 4.

Chicago Style (17th ed.) Citation

Marx, Karl, and Friedrich Engels. "Briefwechsel: 4 1868 - 1883." Briefwechsel 1950: 4.

MLA (8th ed.) Citation

Marx, Karl, and Friedrich Engels. "Briefwechsel: 4 1868 - 1883." Briefwechsel, 1950, p. 4.

Warning: These citations may not always be 100% accurate.