Citação norma APA

(1970). Problems of air and water pollution arising in the iron and steel industry. New York: United Nations.

Citação norma Chicago

Problems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.

Citação norma MLA

Problems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.

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