APA (7th ed.) Citation

United States. Bureau of Mines. (1942). Some Haulage Safety Devices, For Use on Grades, Slopes, and Inclined Shafts. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Some Haulage Safety Devices, For Use on Grades, Slopes, and Inclined Shafts. [Washington]: [s.n.], 1942.

MLA (9th ed.) Citation

United States. Bureau of Mines. Some Haulage Safety Devices, For Use on Grades, Slopes, and Inclined Shafts. [s.n.], 1942.