APA (7th ed.) Citation

United States. Army. (1932). Weighing scales. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Weighing Scales. Washington: [publisher not identified], 1932.

MLA (9th ed.) Citation

United States. Army. Weighing Scales. [publisher not identified], 1932.

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