APA (7th ed.) Citation

United States. Department of Commerce. (1919). Iron and copper. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Iron and Copper. [Washington]: [publisher not identified], 1919.

MLA (9th ed.) Citation

United States. Department of Commerce. Iron and Copper. [publisher not identified], 1919.

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