APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1923). Department of the Interior. Hubert Work, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 718. Geology and ore deposits of the Creede district, Colorado. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. Hubert Work, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 718. Geology and Ore Deposits of the Creede District, Colorado. Washington: [publisher not identified], 1923.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). Department of the Interior. Hubert Work, Secretary. United States Geological Survey. George Otis Smith, Director. Bulletin 718. Geology and Ore Deposits of the Creede District, Colorado. [publisher not identified], 1923.