APA (7th ed.) Citation

(1920). U.S.A., Treasury savings securities, Series of 1921. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S.A., Treasury Savings Securities, Series of 1921. [Place of publication not identified]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

U.S.A., Treasury Savings Securities, Series of 1921. U.S. Government Printing Office, 1920.