Leon, D. (1944). Tolstoy: His life and work. Routledge.
Citazione stile Chigago Style (17a edizione)Leon, Derrick. Tolstoy: His Life and Work. London: Routledge, 1944.
Citatione MLA (8a ed.)Leon, Derrick. Tolstoy: His Life and Work. Routledge, 1944.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.