1986 Presidential mint set.

APA Citation

United States Postal Service. (1986). 1986 Presidential mint set. [Washington, D.C.?]: U.S. Postal Service.

MLA Citation

United States Postal Service. 1986 Presidential Mint Set. [Washington, D.C.?]: U.S. Postal Service, 1986.

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