APA (7th ed.) Citation

Cash, F. E. (1932). Good rock-dusting and ventilation practice in 2 Alabama coal mines. [publisher not identified].

Chicago Style (17th ed.) Citation

Cash, Frank E. Good Rock-dusting and Ventilation Practice in 2 Alabama Coal Mines. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Cash, Frank E. Good Rock-dusting and Ventilation Practice in 2 Alabama Coal Mines. [publisher not identified], 1932.