APA (7th ed.) Citation

(1930). Single-shot blasting units: Requirements for permissibility, tests made, and fees charged. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Single-shot Blasting Units: Requirements for Permissibility, Tests Made, and Fees Charged. [Washington?]: U.S. Government Printing Office, 1930.

MLA (9th ed.) Citation

Single-shot Blasting Units: Requirements for Permissibility, Tests Made, and Fees Charged. U.S. Government Printing Office, 1930.