APA (7th ed.) Citation

United States. Department of the Treasury. (1919). War service certificate. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. War Service Certificate. [Washington]: GPO, 1919.

MLA (9th ed.) Citation

United States. Department of the Treasury. War Service Certificate. GPO, 1919.

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