Cita APA (7a ed.)

(1974). Prevention of accidents due to explosions underground in coal mines.

Cita Chicago Style (17a ed.)

Prevention of Accidents Due to Explosions Underground in Coal Mines. 1974.

Cita MLA (9a ed.)

Prevention of Accidents Due to Explosions Underground in Coal Mines. 1974.

Precaución: Estas citas no son 100% exactas.