APA (7th ed.) Citation

Shaw, F. C. (1974). Simpson group (middle ordovician) trilobites of Oklahoma.

Chicago Style (17th ed.) Citation

Shaw, Frederick C. Simpson Group (middle Ordovician) Trilobites of Oklahoma. Tulsa, Okla, 1974.

MLA (9th ed.) Citation

Shaw, Frederick C. Simpson Group (middle Ordovician) Trilobites of Oklahoma. 1974.

Warning: These citations may not always be 100% accurate.