United States. Bureau of Mines. (1926). Production of anthracite and bituminous coal, and beehive coke. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Production of Anthracite and Bituminous Coal, and Beehive Coke. [Washington]: [publisher not identified], 1926.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Production of Anthracite and Bituminous Coal, and Beehive Coke. [publisher not identified], 1926.
Warning: These citations may not always be 100% accurate.