Environmental Protection Agency. Extraction and beneficiation of ores and minerals (Volume 4. Copper).
Chicago Style (17th ed.) CitationEnvironmental Protection Agency. Extraction and Beneficiation of Ores and Minerals (Volume 4. Copper).
MLA (9th ed.) CitationEnvironmental Protection Agency. Extraction and Beneficiation of Ores and Minerals (Volume 4. Copper).
Warning: These citations may not always be 100% accurate.