United States. Bureau of Standards. (1920). Color and spectral composition of certain high-intensity searchlight arcs. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Standards. Color and Spectral Composition of Certain High-intensity Searchlight Arcs. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States. Bureau of Standards. Color and Spectral Composition of Certain High-intensity Searchlight Arcs. GPO, 1920.
Warning: These citations may not always be 100% accurate.