Cita APA (7th ed.)
Lewis, H. D. (1969). Philosophy of religion. Teach Yourself Books.
Cita Chicago (17th ed.)
Lewis, Hywel David. Philosophy of Religion. London: Teach Yourself Books, 1969.
Cita MLA (9th ed.)
Lewis, Hywel David. Philosophy of Religion. Teach Yourself Books, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.