APA (7th ed.) Citation

Miller, H. C. (1925). Mechanical safeguards in rotary drilling. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Miller, H. C. Mechanical Safeguards in Rotary Drilling. [Washington?]: U.S. Government Printing Office, 1925.

MLA (9th ed.) Citation

Miller, H. C. Mechanical Safeguards in Rotary Drilling. U.S. Government Printing Office, 1925.