Abbreviate the affiliation

Warning²Federal courts, Illinois courts21st and 22nd editions

A letter’s writer, a press release’s issuer and an interviewee are named with a title and an institution, abbreviated — “Bluebook Ed. Chair, Harv. L. Rev.”, not “Harvard Law Review”.¹

1. 1R. 17.2.3 Letters, Memoranda, and Press Releases; R. 17.2.5 Interviews. Tables: T6 Case Names and Institutional Authors in Citations; T10 Geographical Terms; T13 Institutional Names in Periodical Titles.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.