Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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