if u buy somthn of a cred card and i return it and the mny gos bac to the cred card read the details for more?

if u buy somthin off a credit card and return it and the money goes onto the credit card can u get the money in cash for example u buy a xbox 360 from bestbuy and u return it and u bought it off a credit card would the money go onto the credit card or would u get cash if it went back onto the credit card is there a way to get the money in cash