United States. Department of the Interior. (1920). Weekly report on production of bituminous coal, anthracite, and beehive coke. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Weekly Report on Production of Bituminous Coal, Anthracite, and Beehive Coke. [Washington]: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Department of the Interior. Weekly Report on Production of Bituminous Coal, Anthracite, and Beehive Coke. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.