My credit card was charged $31.79 and I can't find any where to cancel and get my money back

I would like to complain about $39.99 charge on my account with out my authorization. I never order nothing,so don’t have the right to take money out of my account.Please return my money back. Thank You.

I would like to complain about the unauthorised charging of my account when you have no right.I didn’t order nothing.so could you please give me my money back thankyou...