Cita APA (7a ed.)

Montgomery, W. J. (1936). Theory and practice of mine ventilation. The Jeffrey manufacturing co..

Cita Chicago Style (17a ed.)

Montgomery, William John. Theory and Practice of Mine Ventilation. Columbus, O.: The Jeffrey manufacturing co., 1936.

Cita MLA (8a ed.)

Montgomery, William John. Theory and Practice of Mine Ventilation. The Jeffrey manufacturing co., 1936.