Santa Rosa Press Democrat: GROWN-UPS PLAY DRESS UP: WHETHER ATTIRED AS CIVIL WAR SOLDIERS OR RENAISSANCE ROYALTY, ADULTS SHOW COSTUMES AREN'T JUST FOR KIDS
GROWN-UPS PLAY DRESS UP: WHETHER ATTIRED AS CIVIL WAR SOLDIERS OR RENAISSANCE ROYALTY, ADULTS SHOW COSTUMES AREN'T JUST FOR KIDS
The best way to do it, I think, would be to forgo the hyphens completely and go with: I am a psychologist who works with children and adults. Anything else is awkward, ambiguous, or both. If it's necessary to emphasize that this individual works with children and adults (i.e., this isn't just introductory information), you could add in a 'both': I am a psychologist who works with both children ...