United States. Department of Commerce. (1919). Talc and soapstone. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Talc and Soapstone. [Washington]: [publisher not identified], 1919.
MLA (9th ed.) CitationUnited States. Department of Commerce. Talc and Soapstone. [publisher not identified], 1919.
Warning: These citations may not always be 100% accurate.