Cita APA (7a ed.)

Tolkien, J. R. R., & Tolkien, C. (1988). The shaping of Middle-earth: The Quenta, the Ambarkanta, and the annals, together with the earliest 'Silmarillion' and the first map. Unwin Paperbacks.

Cita Chicago Style (17a ed.)

Tolkien, J. R. R., y Christopher Tolkien. The Shaping of Middle-earth: The Quenta, the Ambarkanta, and the Annals, Together with the Earliest 'Silmarillion' and the First Map. London: Unwin Paperbacks, 1988.

Cita MLA (9a ed.)

Tolkien, J. R. R., y Christopher Tolkien. The Shaping of Middle-earth: The Quenta, the Ambarkanta, and the Annals, Together with the Earliest 'Silmarillion' and the First Map. Unwin Paperbacks, 1988.