Hi Robert, you can place an ad on Craig's list or hire an agent or property manager to help you. Usually the fee is between 5-7%.
If you only have one unit, I don't think you need a property manager, maybe just hire someone to help rent out your place who is going to check the tenants credit and background.
You might want to contact www.Faytherentalqueen. or Femarie@aol.com. She has helped a lot of my clients.