Hartop, H. (1843). A paper on the relative properties of iron, made by the use of cold and hot air blast, in the smelting furnace: Read before the West-Riding Geological and Polytechnic Society, July, 1842. [s.n.].
Citação do estilo Chicago (17ª ed.)Hartop, Henry. A Paper on the Relative Properties of Iron, Made by the Use of Cold and Hot Air Blast, in the Smelting Furnace: Read Before the West-Riding Geological and Polytechnic Society, July, 1842. Leeds: [s.n.], 1843.
Citação MLA (8ª ed.)Hartop, Henry. A Paper on the Relative Properties of Iron, Made by the Use of Cold and Hot Air Blast, in the Smelting Furnace: Read Before the West-Riding Geological and Polytechnic Society, July, 1842. [s.n.], 1843.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.