APA-referens (7:e uppl.)

Berlin, I., Hardy, H., & Ignatieff, M. (2013). The hedgehog and the fox: An essay on Tolstoy's view of history (Second Edition.). Princeton University Press.

Chicago-referens (17:e uppl.)

Berlin, Isaiah, Henry Hardy, och Michael Ignatieff. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton, New Jersey: Princeton University Press, 2013.

MLA-referens (8:e uppl.)

Berlin, Isaiah, et al. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton University Press, 2013.