APA (7th ed.) Citation

Berlin, I., & Marx,Karl. (1939). Karl Marx: His life and environment. T. Butterworth ltd..

Chicago Style (17th ed.) Citation

Berlin, I, and Marx,Karl. Karl Marx: His Life and Environment. T. Butterworth ltd., 1939.

MLA (9th ed.) Citation

Berlin, I, and Marx,Karl. Karl Marx: His Life and Environment. T. Butterworth ltd., 1939.

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