Add the court or the exact date

Warning²Federal courts, Illinois courts21st and 22nd editions

A case reported in a service names the deciding court in the same parenthetical as the date, and a case read from the looseleaf carries the day it was decided rather than the year alone.¹

1. 1R. 19.1 Citation Form for Services; R. 19.1(d) Date; B19 Services. Tables: R. 10.4 Court and Jurisdiction; R. 10.5 Date or Year.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.