Italicize the whole title

Error²Federal courts, Illinois courts21st and 22nd editions

A court document italicizes or underlines the title of a book or treatise; the author, the pincite and the publication parenthetical stay in plain type.¹

1. 1B15.1 Full Citation; B2 Typeface for Court Documents.
2. 2An error: the rule in note 1 allows one form, and this is not it.