APA (7th ed.) Citation

Berlin, I., & Ryan, A. (1996). Karl Marx . his life and environment.

Chicago Style (17th ed.) Citation

Berlin, Isaiah, and Alan Ryan. Karl Marx . His Life and Environment. 1996.

MLA (8th ed.) Citation

Berlin, Isaiah, and Alan Ryan. Karl Marx . His Life and Environment. 1996.

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