Use the table's spelling of the reporter

Warning²Federal courts, Illinois courts21st and 22nd editions

A reporter abbreviation is sometimes spelled the way courts and databases write it rather than the way the tables print it — the Federal Appendix's practice spelling is one example.¹

1. 1R. 10.3.2 Reporters. Tables: T1.1 Federal Judicial and Legislative Materials.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.