APA (7th ed.) Citation

Cocks, L. R., Holland, C. H., & Rickards, R. B. (1992). A revised correlation of Silurian rocks in the British Isles. Geological Soc.

Chicago Style (17th ed.) Citation

Cocks, Leonard R., Charles Hepworth Holland, and Richard B. Rickards. A Revised Correlation of Silurian Rocks in the British Isles. London: Geological Soc, 1992.

MLA (9th ed.) Citation

Cocks, Leonard R., et al. A Revised Correlation of Silurian Rocks in the British Isles. Geological Soc, 1992.