Coal -- bituminous and lignite in ...
APA Citation
United States. Bureau of Mines., United States. Energy Information Administration. (191978). Coal -- bituminous and lignite in ... Washington: U.S. Dept. of Energy, Energy Information Administration, Office of Energy Data and Interpretation, etc..
MLA Citation
United States. Bureau of Mines, and United States. Energy Information Administration. Coal -- Bituminous And Lignite In ... Washington: U.S. Dept. of Energy, Energy Information Administration, Office of Energy Data and Interpretation, etc., 191978.
Warning: These citations may not always be complete (especially for serials).