English has a lot of conventions—best not to call them rules—that sometimes fall apart when we try to apply them in all possible situations. Sometimes, it’s best to just not go there.
If we want to make a noun possessive, we typically add an apostrophe and an s. Mark’s wise words, for example.
It was pointed out to me by a fellow copy editor that Amy Einsohn, in The Copyeditor’s Handbook, recommends making a phrase or title in quotation marks possessive in the same way. The result is not pretty. Continue reading