APA (7th ed.) Citation

United States. Bureau of Mines. (1929). Graphite: Part IV. Status of American graphite industry. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Graphite: Part IV. Status of American Graphite Industry. [Washington]: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Bureau of Mines. Graphite: Part IV. Status of American Graphite Industry. [publisher not identified], 1929.

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