APA (7th ed.) Citation

Marx, K., Arthur, C. J., & Engels, F. (1970). The German ideology. International Publishers.

Chicago Style (17th ed.) Citation

Marx, Karl, C. J. Arthur, and Friedrich Engels. The German Ideology. New York: International Publishers, 1970.

MLA (8th ed.) Citation

Marx, Karl, et al. The German Ideology. International Publishers, 1970.

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