United States. Bureau of Standards. (1912). Supplement to Report to International Committee on Electrical Units and Standards of special technical committee appointed to investigate and report on concrete standards of international electrical units and to recommend value for Weston Normal Cell. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Standards. Supplement to Report to International Committee on Electrical Units and Standards of Special Technical Committee Appointed to Investigate and Report on Concrete Standards of International Electrical Units and to Recommend Value for Weston Normal Cell. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Bureau of Standards. Supplement to Report to International Committee on Electrical Units and Standards of Special Technical Committee Appointed to Investigate and Report on Concrete Standards of International Electrical Units and to Recommend Value for Weston Normal Cell. GPO, 1912.