Siebenthal, C. E. Proceedings of the second Pan American scientific congress: Lead and zinc resources of the United States.
Chicago Style (17th ed.) CitationSiebenthal, C. E. Proceedings of the Second Pan American Scientific Congress: Lead and Zinc Resources of the United States.
MLA (9th ed.) CitationSiebenthal, C. E. Proceedings of the Second Pan American Scientific Congress: Lead and Zinc Resources of the United States.