Cita APA

Berlin, I. 1. (1963). Karl Marx: His life and environment (3rd ed.). Oxford: Oxford University Press [etc.].

Citación estilo Chicago

Berlin, Isaiah 1909-1997. Karl Marx: His Life and Environment. 3rd ed. Oxford: Oxford University Press [etc.], 1963.

Cita MLA

Berlin, Isaiah 1909-1997. Karl Marx: His Life and Environment. 3rd ed. Oxford: Oxford University Press [etc.], 1963.