Use the registered short form

Warning²Federal courts, Illinois courts21st and 22nd editions

Where a periodical's full citation registers a “[hereinafter …]” short name, its later “supra” form uses that name instead of the author's.¹

1. 1R. 16.9(b) Supra. Tables: R. 4.2(b) “Hereinafter.”; R. 4.2(a) “Supra.”; B16.2 Short Form Citation.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.