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.
Citazione stile Chigago Style (17a edizione)Berlin, Isaiah, Henry Hardy, e Michael Ignatieff. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton, New Jersey: Princeton University Press, 2013.
Citatione MLA (8a ed.)Berlin, Isaiah, et al. The Hedgehog and the Fox: An Essay on Tolstoy's View of History. Second Edition. Princeton University Press, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.