APA (7th ed.) Citation

Tolkien, J. (1991). The hobbit: Or there and back again. Grafton.

Chicago Style (17th ed.) Citation

Tolkien, J.R.R. The Hobbit: Or There and Back Again. London: Grafton, 1991.

MLA (8th ed.) Citation

Tolkien, J.R.R. The Hobbit: Or There and Back Again. Grafton, 1991.