Heat oven to 350℉/177℃.
Spray a 10-inch bundt pan with baking spray. Set aside.
In a medium bowl, sift flour, baking powder, baking soda, and salt together. Set aside.
In the bowl of an electric mixer, beat butter and sugar until light and fluffy, about 3-4 minutes.
Add eggs, one at a time, beating well after each addition.
Beat in lemon zest and lemon juice.
Stir in flour mixture alternately with sour cream, beginning and ending with flour mixture.
Pour into prepared pan.
Bake for 35 minutes.
Reduce heat to 325℉/165℃ and bake an additional 10 minutes, or until cake tests done.