Citibank Bank Account Or Service Complaint

Citibank Bank account or service department,

Checking account Deposits and withdrawals Puerto Rico

I made a deposit to my husbands bank account in - - from my citibank account from -. in the amount of $700.00 on -/-/2016. That check was cleared and paid for by Citibank. I have the cancelled check and statement reflecting this. Yet, the bank in - - claims the funds were not released from Citibank and they froze the deposit amount of $700.00 from the acct. At this point we are out of $700.00 and neither bank takes responsibilities for this. I suppose I would have to submit a complaint on both banks as Im not sure where the error lies ... I am attaching copies of cancelled check, and both bank statements referencing the situation,