United States. Department of Commerce. (1925). Critical study of Burrell indicator for combustible gases in air. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Critical Study of Burrell Indicator for Combustible Gases in Air. [Washington]: GPO, 1925.
MLA (9th ed.) CitationUnited States. Department of Commerce. Critical Study of Burrell Indicator for Combustible Gases in Air. GPO, 1925.
Warning: These citations may not always be 100% accurate.