APA (7th ed.) Citation

United States. Bureau of Mines. (1939). Coal--mine accidents in U.S., [calendar year] 1936. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Coal--mine Accidents in U.S., [calendar Year] 1936. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Mines. Coal--mine Accidents in U.S., [calendar Year] 1936. [s.n.], 1939.

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