APA (7th ed.) Citation

Geological Survey (U.S.) & ProQuest (Firm). (1907). The burning of coal without smoke in boiler plants. A preliminary report. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). The Burning of Coal Without Smoke in Boiler Plants. A Preliminary Report. Washington: [publisher not identified], 1907.

MLA (9th ed.) Citation

Geological Survey (U.S.) and ProQuest (Firm). The Burning of Coal Without Smoke in Boiler Plants. A Preliminary Report. [publisher not identified], 1907.

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