APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1909). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 391. The Devonian fauna of the Ouray limestone. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 391. The Devonian Fauna of the Ouray Limestone. Washington: [publisher not identified], 1909.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 391. The Devonian Fauna of the Ouray Limestone. [publisher not identified], 1909.

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