APA (7th ed.) Citation

Amsden, T. W. (1968). Articulate brachiopods of the St. Clair Limestone (Silurian), Arkansas, and the Clarita Formation (Silurian), Oklahoma.

Chicago Style (17th ed.) Citation

Amsden, Thomas W. Articulate Brachiopods of the St. Clair Limestone (Silurian), Arkansas, and the Clarita Formation (Silurian), Oklahoma. Tulsa, Okla, 1968.

MLA (9th ed.) Citation

Amsden, Thomas W. Articulate Brachiopods of the St. Clair Limestone (Silurian), Arkansas, and the Clarita Formation (Silurian), Oklahoma. 1968.

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