APA (7th ed.) Citation

United States. Army. Signal Corps. (1874). [Adjustments of vernier of barometers at Signal Office stations]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. [Adjustments of Vernier of Barometers at Signal Office Stations]. [Washington]: [publisher not identified], 1874.

MLA (9th ed.) Citation

United States. Army. Signal Corps. [Adjustments of Vernier of Barometers at Signal Office Stations]. [publisher not identified], 1874.

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