Complex sentence: Wendell Levi, in his book "The Pigeon", cites a reference from Hepworth (1893) who interviewed W. Jolly of Mill Green, stated that he had been breeding Tipplers for fifty-six years.
Split into simpler sentences: Wendell Levi, in his book "The Pigeon", cites a reference from Hepworth (1893) who interviewed W. Jolly of Mill Green. The reference states that he had been breeding Tipplers for fifty-six years.