APA (7th ed.) Citation

United States. Bureau of Mines. (1923). Anthracite substitutes. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Anthracite Substitutes. [Washington]: [publisher not identified], 1923.

MLA (9th ed.) Citation

United States. Bureau of Mines. Anthracite Substitutes. [publisher not identified], 1923.

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