APA (7th ed.) Citation

Rice, G. S. (1930). Effective rock-dusting of coal mines. [publisher not identified].

Chicago Style (17th ed.) Citation

Rice, George S. Effective Rock-dusting of Coal Mines. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Rice, George S. Effective Rock-dusting of Coal Mines. [publisher not identified], 1930.