APA (7th ed.) Citation

(1918). U.S.A., war-savings certificates, Series of 1919. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S.A., War-savings Certificates, Series of 1919. [Place of publication not identified]: U.S. Government Printing Office, 1918.

MLA (9th ed.) Citation

U.S.A., War-savings Certificates, Series of 1919. U.S. Government Printing Office, 1918.