United States. Army. Signal Corps. (1918). Vacuum tubes in radio communication; theory of operation, description and various uses of 3 electrode tubes. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Signal Corps. Vacuum Tubes in Radio Communication; Theory of Operation, Description and Various Uses of 3 Electrode Tubes. Washington: [publisher not identified], 1918.
MLA (9th ed.) CitationUnited States. Army. Signal Corps. Vacuum Tubes in Radio Communication; Theory of Operation, Description and Various Uses of 3 Electrode Tubes. [publisher not identified], 1918.
Warning: These citations may not always be 100% accurate.