APA (7th ed.) Citation

United States. Department of Commerce. (1923). Tests of low-grade and complex ores in Colorado. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Tests of Low-grade and Complex Ores in Colorado. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

United States. Department of Commerce. Tests of Low-grade and Complex Ores in Colorado. GPO, 1923.

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