J.R.R. Tolkien. (1991). The Hobbit: The Prelude to The Lord of the Rings. Harper Collins Publishers.
Cita Chicago Style (17a ed.)J.R.R. Tolkien. The Hobbit: The Prelude to The Lord of the Rings. Great Britain: Harper Collins Publishers, 1991.
Cita MLA (9a ed.)J.R.R. Tolkien. The Hobbit: The Prelude to The Lord of the Rings. Harper Collins Publishers, 1991.
Precaución: Estas citas no son 100% exactas.