Tables of redemption values.
$50 series I/EE bonds, $25 series E bonds/savings notes for ... /
Dept. of the Treasury, Bur. of the Public Debt.

APA Citation

United States. Bureau of the Public Debt. (1998). Tables of redemption values. [Washington, D.C.?]: The Bureau.

MLA Citation

United States. Bureau of the Public Debt. Tables of Redemption Values. [Washington, D.C.?]: The Bureau, 1998.

Warning: These citations may not always be complete (especially for serials).