O'Donoghue, M. (1982). VNR color dictionary of minerals & gemstones. Van Nostrand Reinhold.
Chicago Style (17th ed.) CitationO'Donoghue, Michael. VNR Color Dictionary of Minerals & Gemstones. New York: Van Nostrand Reinhold, 1982.
MLA (9th ed.) CitationO'Donoghue, Michael. VNR Color Dictionary of Minerals & Gemstones. Van Nostrand Reinhold, 1982.
Warning: These citations may not always be 100% accurate.