United States. Bureau of Standards. (1911). Weights and measures; 6th annual conference of representatives from various States, held at Bureau of Standards, Washington, D.C., Feb. 17 and 18, 1911. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Standards. Weights and Measures; 6th Annual Conference of Representatives from Various States, Held at Bureau of Standards, Washington, D.C., Feb. 17 and 18, 1911. [Washington]: GPO, 1911.
MLA (9th ed.) CitationUnited States. Bureau of Standards. Weights and Measures; 6th Annual Conference of Representatives from Various States, Held at Bureau of Standards, Washington, D.C., Feb. 17 and 18, 1911. GPO, 1911.
Warning: These citations may not always be 100% accurate.