Citazione Stile APA (7a Edizione)

Berlin, I. (1978). Karl Marx: His life and environment (4th ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Berlin, Isaiah. Karl Marx: His Life and Environment. 4th ed. Oxford [etc.]: Oxford University Press, 1978.

Citatione MLA (9a ed.)

Berlin, Isaiah. Karl Marx: His Life and Environment. 4th ed. Oxford University Press, 1978.