Woolley, R. W. Proceedings of the second Pan American scientific congress: Assaying in the United States Mint Service.
Chicago Style (17th ed.) CitationWoolley, Robert W. Proceedings of the Second Pan American Scientific Congress: Assaying in the United States Mint Service.
MLA (9th ed.) CitationWoolley, Robert W. Proceedings of the Second Pan American Scientific Congress: Assaying in the United States Mint Service.