APA (7th ed.) Citation

Liebknecht, W., & Untermann, E. (1968). Karl Marx: Biographical memoirs. New York: Greenwood Press.

Chicago Style (17th ed.) Citation

Liebknecht, Wilhelm, and Ernest Untermann. Karl Marx: Biographical Memoirs. New York: Greenwood Press, 1968.

MLA (8th ed.) Citation

Liebknecht, Wilhelm, and Ernest Untermann. Karl Marx: Biographical Memoirs. New York: Greenwood Press, 1968.

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