Let's assume I have a text talking about Mrs. Jones and I want to start a section talking about her childhood. Which of the following forms, if any, is valid?
Mrs.'s childhood
or
Mrs.' childhood
or
Mrs'. childhood
Is there a rule for the possessive of "Mrs." whose last letter is an s
but not the last character? Or should this simply be avoided and
Mrs. Jones's childhood
has to be spelled out?