APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1923). Department of the Interior. Albert B. Fall, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 720 Economic geology of the Summerfield and Woodsfield quadrangles, Ohio with descriptions of coal and other mineral resources except oil and gas. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. Albert B. Fall, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 720 Economic Geology of the Summerfield and Woodsfield Quadrangles, Ohio with Descriptions of Coal and Other Mineral Resources Except Oil and Gas. Washington: [publisher not identified], 1923.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. Albert B. Fall, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 720 Economic Geology of the Summerfield and Woodsfield Quadrangles, Ohio with Descriptions of Coal and Other Mineral Resources Except Oil and Gas. [publisher not identified], 1923.