United States. Bureau of Mines, ProQuest (Firm), & Geological Survey (U.S.). (1909). [Geological Survey bulletin 412; Tests of run-of-mine and briquette coal]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines, ProQuest (Firm), and Geological Survey (U.S.). [Geological Survey Bulletin 412; Tests of Run-of-mine and Briquette Coal]. Washington: [publisher not identified], 1909.
MLA (9th ed.) CitationUnited States. Bureau of Mines, et al. [Geological Survey Bulletin 412; Tests of Run-of-mine and Briquette Coal]. [publisher not identified], 1909.
Warning: These citations may not always be 100% accurate.