Cita APA (7th ed.)

Tolkien, J. R. R. (1981). The Hobbit or there and back again (4a. ed.). Unwin Paperbacks.

Cita Chicago (17th ed.)

Tolkien, J. R. R. The Hobbit or There and Back Again. 4a. ed. Londres: Unwin Paperbacks, 1981.

Cita MLA (9th ed.)

Tolkien, J. R. R. The Hobbit or There and Back Again. 4a. ed. Unwin Paperbacks, 1981.