APA (7th ed.) Citation

Tolkien, J. R. R., Howe, J., & Sibley, B. (2000). The hobbit, or, There and back again. HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., John Howe, and Brian Sibley. The Hobbit, or, There and Back Again. London: HarperCollinsPublishers, 2000.

MLA (8th ed.) Citation

Tolkien, J. R. R., et al. The Hobbit, or, There and Back Again. HarperCollinsPublishers, 2000.