APA (7e ed.) Bronvermelding

Berlin, S. I. (1963). Karl Marx: His life and environment. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Berlin, Sir Isaiah. Karl Marx: His Life and Environment. London: Oxford University Press, 1963.

MLA (9e ed.) Bronvermelding

Berlin, Sir Isaiah. Karl Marx: His Life and Environment. Oxford University Press, 1963.