Citação norma APA

Institution of Mining and Metallurgy (Great Britain) & Ryan, W. (1968). Non-ferrous extractive metallurgy in the United Kingdom. The Institution of Mining and Metallurgy.

Citação norma Chicago

Institution of Mining and Metallurgy (Great Britain) and W. Ryan. Non-ferrous Extractive Metallurgy in the United Kingdom. London: The Institution of Mining and Metallurgy, 1968.

Citação norma MLA

Institution of Mining and Metallurgy (Great Britain) and W. Ryan. Non-ferrous Extractive Metallurgy in the United Kingdom. The Institution of Mining and Metallurgy, 1968.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.