Cita APA (7a ed.)

Naciones Unidas. Economic Commission for Europe, Génova. (1990). The recuperation and economic utilization of by-products of the iron and steel industry. Naciones Unidas.

Cita Chicago Style (17a ed.)

Naciones Unidas. Economic Commission for Europe, Génova. The Recuperation and Economic Utilization of By-products of the Iron and Steel Industry. Nueva York: Naciones Unidas, 1990.

Cita MLA (9a ed.)

Naciones Unidas. Economic Commission for Europe, Génova. The Recuperation and Economic Utilization of By-products of the Iron and Steel Industry. Naciones Unidas, 1990.