When briefs and memoranda were prepared on typewriters, emphasized text was underlined. While older citation reference works may still call for underlining, that format has largely been replaced by the use of italics, made possible by word-processing software and modern printers.
The following citation elements should be italicized:
If underlining is used instead of italics it should continue under successive words that are part of the same phrase but break between items. When "e.g." appears with another signal the two together are treated as a single item. Punctuation that is part of any of the above elements is italicized along with it, but punctuation that separates that element from other parts of the citation should not be.
The following words or phrases should be italicized when they appear in the text of a brief or legal memorandum:
The following citation types or elements should not be italicized:
Indeed, all items for which italics is not specified should appear without it.