Safeguarding workmen at oil derricks,
by H.C. Miller ...
APA Citation
Miller, H. Carl. (1927). Safeguarding workmen at oil derricks. Washington: Govt. print off..
MLA Citation
Miller, Harold Carl, 1889-. Safeguarding Workmen At Oil Derricks. Washington: Govt. print off., 1927.
Warning: These citations may not always be complete (especially for serials).