United States. Bureau of Mines. (1938). Some tests of acid--resistant pipe. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Some Tests of Acid--resistant Pipe. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Some Tests of Acid--resistant Pipe. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.