Sunny Citrus Cake

Name: Sunny Citrus Cake
Prep time: 25 min
Cook time: 55 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 2 cups all-purpose flour; ½ teaspoon salt; 1 teaspoon baking powder; ¼ teaspoon baking soda; ½ cup unsalted butter, (room temperature); zest from 2 lemons; zest from 1 orange; 1 cup granulated sugar; 2 large eggs, (room temperature); 1 ½ teaspoons vanilla; ½ cup sour cream; ¼ cup fresh lemon juice, (strained); ½ cup fresh orange juice, (strained); thin sliced oranges, (lemons or limes); 1 cup water; 1 cup powdered sugar; 1-2 tablespoons lemon juice, (or orange or lime juice); 1 teaspoon boiling water (if needed to thin)