APA (7th ed.) Citation

United States. Army. Ordnance Department. (1884). Metrological investigations. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Ordnance Department. Metrological Investigations. [Washington]: [publisher not identified], 1884.

MLA (9th ed.) Citation

United States. Army. Ordnance Department. Metrological Investigations. [publisher not identified], 1884.

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