APA (7th ed.) Citation

United States. Department of Commerce. (1919). Recovery of zinc from low-grade and complex ores. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Recovery of Zinc from Low-grade and Complex Ores. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. Department of Commerce. Recovery of Zinc from Low-grade and Complex Ores. GPO, 1919.

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