APA (7th ed.) Citation

United States. Bureau of Mines. (1941). Intercrystalline cracking of boiler steel and its prevention. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Intercrystalline Cracking of Boiler Steel and Its Prevention. [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

United States. Bureau of Mines. Intercrystalline Cracking of Boiler Steel and Its Prevention. [s.n.], 1941.