APA (7th ed.) Citation

United States. Army. (1920). Telephone lines and equipment for balloon companies. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Telephone Lines and Equipment for Balloon Companies. Washington: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. Army. Telephone Lines and Equipment for Balloon Companies. [publisher not identified], 1920.

Warning: These citations may not always be 100% accurate.