Geological Society of London, Francis, E. H., Evans, P., & Harland, W. B. (1971). The phanerozoic time-scale: A supplement. Geological Society of London.
Chicago Style (17th ed.) CitationGeological Society of London, E. H. Francis, P. Evans, and W. B. Harland. The Phanerozoic Time-scale: A Supplement. London: Geological Society of London, 1971.
MLA (9th ed.) CitationGeological Society of London, et al. The Phanerozoic Time-scale: A Supplement. Geological Society of London, 1971.
Warning: These citations may not always be 100% accurate.