APA (7th ed.) Citation

United States. Bureau of Mines. (1931). Smelting in lead blast furnace; handling rich charges: VI. Conditions and problems introduced by increasing ratio of concentration. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Smelting in Lead Blast Furnace; Handling Rich Charges: VI. Conditions and Problems Introduced by Increasing Ratio of Concentration. [Washington]: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Bureau of Mines. Smelting in Lead Blast Furnace; Handling Rich Charges: VI. Conditions and Problems Introduced by Increasing Ratio of Concentration. [publisher not identified], 1931.

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