(1930). Procedure for establishing list of permissible self-contained oxygen breathing apparatus: Fees, character of tests, and conditions under which mine rescue breathing apparatus will be tested. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationProcedure for Establishing List of Permissible Self-contained Oxygen Breathing Apparatus: Fees, Character of Tests, and Conditions Under Which Mine Rescue Breathing Apparatus Will Be Tested. [Washington?]: U.S. Government Printing Office, 1930.
MLA (9th ed.) CitationProcedure for Establishing List of Permissible Self-contained Oxygen Breathing Apparatus: Fees, Character of Tests, and Conditions Under Which Mine Rescue Breathing Apparatus Will Be Tested. U.S. Government Printing Office, 1930.
Warning: These citations may not always be 100% accurate.