Cita APA (7a ed.)

Berlin, I. (1963). Karl Marx: His life and environment (3rd ed.). Oxford University Press [etc.].

Cita Chicago Style (17a ed.)

Berlin, Isaiah. Karl Marx: His Life and Environment. 3rd ed. Oxford: Oxford University Press [etc.], 1963.

Cita MLA (9a ed.)

Berlin, Isaiah. Karl Marx: His Life and Environment. 3rd ed. Oxford University Press [etc.], 1963.