APA (7th ed.) Citation

United States. Army. Signal Corps. (1875). [Determinations of clear, fair, and cloudy days by Signal Office stations]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. [Determinations of Clear, Fair, and Cloudy Days by Signal Office Stations]. [Washington]: [publisher not identified], 1875.

MLA (9th ed.) Citation

United States. Army. Signal Corps. [Determinations of Clear, Fair, and Cloudy Days by Signal Office Stations]. [publisher not identified], 1875.