1. Squeeze juice from oranges and lemons into a bowl, reserving rinds.
2. Bring citrus juice, rinds, apple cider, and next 3 ingredients to a boil over medium-high heat. Reduce heat, and simmer 25 minutes. Pour mixture through a wire-mesh strainer into a container, discarding solids. Garnish, if desired.
Note: This may be enjoyed hot or cold. To serve warm, keep the beverage in coffee carafes or a slow cooker.