UNOFFICIAL CITATION
U.S. Circuit Court of Appeals opinions are published in the Federal Reporter. There are three series of the Federal Reporter. The abbreviations are "F.", "F.2d", and "F.3d".

The abbreviation for the citation we are creating is from the Federal Reporter, second series: F.2d

The volume is 998, and the page number is 1121.

There is NO comma after the F.2d citation. There is a space after the page number (prior to the parenthesis).