APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Berlin, Isaiah. Karl Marx: His Life and Environment. London: Butterworth, 1939.

MLA (9th ed.) Citation

Berlin, Isaiah. Karl Marx: His Life and Environment. Butterworth, 1939.

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