APA (7th ed.) Citation

United States. Bureau of Mines. (1936). Methane-Ưindicating detectors prove dependable in sampling air in anthracite mines. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Methane-Ưindicating Detectors Prove Dependable in Sampling Air in Anthracite Mines. [Washington]: [s.n.], 1936.

MLA (9th ed.) Citation

United States. Bureau of Mines. Methane-Ưindicating Detectors Prove Dependable in Sampling Air in Anthracite Mines. [s.n.], 1936.

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