Cita APA (7th ed.)
Purtill, R. L. (1984). J.R.R. Tolkien: Myth, morality, and religion. Harper & Row.
Cita Chicago (17th ed.)
Purtill, Richard L. J.R.R. Tolkien: Myth, Morality, and Religion. San Francisco: Harper & Row, 1984.
Cita MLA (9th ed.)
Purtill, Richard L. J.R.R. Tolkien: Myth, Morality, and Religion. Harper & Row, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.