Translation of "'60s" in Italian

What Rudi Altig was in the 60s and 70s

Quello che Rudi Altig era negli anni '60 e '70

I was a little kid in the '60s and '70s,

Ero un bambino negli Anni '60 e '70

But here I am in my 60s or 50s by then,

Ma eccomi qua a 60 anni, o 50 a quel tempo,