APA (7th ed.) Citation

United States. Bureau of Mines. (1940). Quarry accidents in United States, calendar year 1938. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Quarry Accidents in United States, Calendar Year 1938. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Bureau of Mines. Quarry Accidents in United States, Calendar Year 1938. [s.n.], 1940.

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