APA (7th ed.) Citation

United States. Bureau of Mines. (1937). Aerial tramways in metal-Ưmining industry, pt .1. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Aerial Tramways in Metal-Ưmining Industry, Pt .1. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Mines. Aerial Tramways in Metal-Ưmining Industry, Pt .1. [s.n.], 1937.