APA (7th ed.) Citation

Harrington, D., & Von Bernewitz, M. W. (1932). Hazards to underground workers from inflammable surface structures near mine openings. [publisher not identified].

Chicago Style (17th ed.) Citation

Harrington, D., and M. W. Von Bernewitz. Hazards to Underground Workers from Inflammable Surface Structures Near Mine Openings. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Harrington, D., and M. W. Von Bernewitz. Hazards to Underground Workers from Inflammable Surface Structures Near Mine Openings. [publisher not identified], 1932.