Citazione Stile APA (7a Edizione)

J.R.R. Tolkien. (1991). The Hobbit: The Prelude to The Lord of the Rings. Harper Collins Publishers.

Citazione stile Chigago Style (17a edizione)

J.R.R. Tolkien. The Hobbit: The Prelude to The Lord of the Rings. Great Britain: Harper Collins Publishers, 1991.

Citatione MLA (9a ed.)

J.R.R. Tolkien. The Hobbit: The Prelude to The Lord of the Rings. Harper Collins Publishers, 1991.