United States. Bureau of Mines. (1923). Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Distribution of Air in Metal-mine Ventilation with Especial Reference to Flexible Tubing Methods. [Washington]: [publisher not identified], 1923.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Distribution of Air in Metal-mine Ventilation with Especial Reference to Flexible Tubing Methods. [publisher not identified], 1923.
Warning: These citations may not always be 100% accurate.