United States. Mine Safety and Health Administration. (2013). Tests for methane at the working face, using extendable probes or other acceptable means. [U.S. Department of Labor, Mine Safety and Health Administration].
Chicago Style (17th ed.) CitationUnited States. Mine Safety and Health Administration. Tests for Methane at the Working Face, Using Extendable Probes or Other Acceptable Means. [Arlington, Virginia]: [U.S. Department of Labor, Mine Safety and Health Administration], 2013.
MLA (9th ed.) CitationUnited States. Mine Safety and Health Administration. Tests for Methane at the Working Face, Using Extendable Probes or Other Acceptable Means. [U.S. Department of Labor, Mine Safety and Health Administration], 2013.
Warning: These citations may not always be 100% accurate.