APA (7th ed.) Citation

United States. Army. Signal Corps. (1874). [Pay vouchers transmission to Signal Office by observer-sergeants]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army. Signal Corps. [Pay Vouchers Transmission to Signal Office by Observer-sergeants]. [Washington]: [publisher not identified], 1874.

MLA (9th ed.) Citation

United States. Army. Signal Corps. [Pay Vouchers Transmission to Signal Office by Observer-sergeants]. [publisher not identified], 1874.