Wagenhals, G. (1985). Econometric copper market models. Quarterly review / Intergovernmental Council of Copper Exporting Countries.
Chicago Style (17th ed.) CitationWagenhals, Gerhard. "Econometric Copper Market Models." Quarterly Review / Intergovernmental Council of Copper Exporting Countries 1985.
MLA (9th ed.) CitationWagenhals, Gerhard. "Econometric Copper Market Models." Quarterly Review / Intergovernmental Council of Copper Exporting Countries, 1985.
Warning: These citations may not always be 100% accurate.