Bloch, D. I. (1938). The People's Responsibility In Warring Against The Dutch Elm Disease. Zenodo.
Citazione stile Chigago Style (17a edizione)Bloch, Donald I. The People's Responsibility In Warring Against The Dutch Elm Disease. Zenodo, 1938.
Citatione MLA (9a ed.)Bloch, Donald I. The People's Responsibility In Warring Against The Dutch Elm Disease. Zenodo, 1938.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.