APA (7th ed.) Citation

United States. Bureau of Mines. (1933). Metal-Mine Accidents in the United States, During the Calendar Year 1931. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Metal-Mine Accidents in the United States, During the Calendar Year 1931. [Washington]: [s.n.], 1933.

MLA (9th ed.) Citation

United States. Bureau of Mines. Metal-Mine Accidents in the United States, During the Calendar Year 1931. [s.n.], 1933.