If I felt a boss or supervisor took credit for work I did, I would proclaim very loudly to anyone within earshot, that I was the one who did it and in future he/she could do his/her own work then I would quit.
If I felt a boss or supervisor took credit for work I did, I would proclaim very loudly to anyone within earshot, that I was the one who did it and in future he/she could do his/her own work then I would quit.