APA (7th ed.) Citation

United States. Bureau of Mines. (1936). Statistical analysis of progress in mechanical cleaning of bituminous coal, 1927-34. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Statistical Analysis of Progress in Mechanical Cleaning of Bituminous Coal, 1927-34. [Washington]: [s.n.], 1936.

MLA (9th ed.) Citation

United States. Bureau of Mines. Statistical Analysis of Progress in Mechanical Cleaning of Bituminous Coal, 1927-34. [s.n.], 1936.

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