Douglass, R. E., & Colley, B. T. Proceedings of the second Pan American scientific congress: Metallurgical operations at the Braden Copper Co.
Chicago Style (17th ed.) CitationDouglass, R. E., and B. T. Colley. Proceedings of the Second Pan American Scientific Congress: Metallurgical Operations at the Braden Copper Co.
MLA (9th ed.) CitationDouglass, R. E., and B. T. Colley. Proceedings of the Second Pan American Scientific Congress: Metallurgical Operations at the Braden Copper Co.