Haber, L. F. (1966). The nitrogen problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books.
Citazione stile Chigago Style (17a edizione)Haber, L. F. The Nitrogen Problem. London: Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.
Citatione MLA (9a ed.)Haber, L. F. The Nitrogen Problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.