APA (7th ed.) Citation

United States. Department of the Interior. (1923). Commercial stocks of coal, Sept. 1, 1923. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Commercial Stocks of Coal, Sept. 1, 1923. [Washington]: [publisher not identified], 1923.

MLA (9th ed.) Citation

United States. Department of the Interior. Commercial Stocks of Coal, Sept. 1, 1923. [publisher not identified], 1923.

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