United States. Army. (1920). Telephone lines and equipment for balloon companies. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Telephone Lines and Equipment for Balloon Companies. Washington: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Army. Telephone Lines and Equipment for Balloon Companies. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.