Cita APA (7th ed.)

Haber, L. F. (1966). The nitrogen problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books.

Cita Chicago (17th ed.)

Haber, L. F. The Nitrogen Problem. London: Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.

Cita MLA (9th ed.)

Haber, L. F. The Nitrogen Problem. Published for the Nuffield Foundation by the Longmans/ Penguin Books, 1966.