Goetz, S. (2015). A philosophical walking tour with C.S. Lewis: Why it did not include Rome. Bloomsbury.
Citazione stile Chigago Style (17a edizione)Goetz, Stewart. A Philosophical Walking Tour with C.S. Lewis: Why It Did Not Include Rome. New York [u.a.]: Bloomsbury, 2015.
Citatione MLA (8a ed.)Goetz, Stewart. A Philosophical Walking Tour with C.S. Lewis: Why It Did Not Include Rome. Bloomsbury, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.