Returned Customer Check in Bank Reconciliation

We had a customer's check returned to us NSF. The Bank statement reflects this in the Deposits and the Withdrawals portions. I am reconciling the statement with SAGE and am not sure how this should be entered. I should mention that the GL was not linked to the Bank Reconciliation until November and this statement is from October, so I will have to mannually enter this into the Bank Reconciliation Report. Any help would be appreciated.