APA (7th ed.) Citation

United States. Bureau of Mines. (1922). Conditions in feldspar industry. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Conditions in Feldspar Industry. [Washington]: [publisher not identified], 1922.

MLA (9th ed.) Citation

United States. Bureau of Mines. Conditions in Feldspar Industry. [publisher not identified], 1922.

Warning: These citations may not always be 100% accurate.