United States. Bureau of Mines, ProQuest (Firm), & Geological Survey (U.S.). (1908). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 366. Tests of coal and briquets as fuel for house-heating boilers. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines, ProQuest (Firm), and Geological Survey (U.S.). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 366. Tests of Coal and Briquets as Fuel for House-heating Boilers. Washington: [publisher not identified], 1908.
MLA (9th ed.) CitationUnited States. Bureau of Mines, et al. Department of the Interior. United States Geological Survey. George Otis Smith, Director. Bulletin 366. Tests of Coal and Briquets as Fuel for House-heating Boilers. [publisher not identified], 1908.