Cita APA (7a ed.)

Beringer, B. (1947). Undergraund practice in mining (3a. ed.). Mining Publications.

Cita Chicago Style (17a ed.)

Beringer, Bernard. Undergraund Practice in Mining. 3a. ed. London: Mining Publications, 1947.

Cita MLA (8a ed.)

Beringer, Bernard. Undergraund Practice in Mining. 3a. ed. Mining Publications, 1947.