1. Peel and juice the oranges and lemons, removing any seeds.

2. In a small pot, combine the sugar and water. Heat over medium heat until the sugar dissolves, stirring occasionally.

3. Allow the sugar syrup to cool to room temperature.

4. Combine the citrus juices and sugar syrup in a pitcher.

5. Stir well and chill in the refrigerator for at least 1 hour before serving.