British Geological Survey. (1989). United Kingdom minerals yearbook. British Geological Survey.
Chicago Style (17th ed.) CitationBritish Geological Survey. United Kingdom Minerals Yearbook. Nottingham, England: British Geological Survey, 1989.
MLA (9th ed.) CitationBritish Geological Survey. United Kingdom Minerals Yearbook. British Geological Survey, 1989.
Warning: These citations may not always be 100% accurate.