United States. Bureau of Mines. (1931). Quartz and silica: Part 3. Sand and miscellaneous silicas. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Quartz and Silica: Part 3. Sand and Miscellaneous Silicas. [Washington]: [publisher not identified], 1931.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Quartz and Silica: Part 3. Sand and Miscellaneous Silicas. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.