APA (7th ed.) Citation

Tolkien, J. R. R., & Kullman, H. (1937). The hobbit, or, There and back again. G. Allen & Unwin.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Harry Kullman. The Hobbit, or, There and Back Again. London: G. Allen & Unwin, 1937.

MLA (9th ed.) Citation

Tolkien, J. R. R., and Harry Kullman. The Hobbit, or, There and Back Again. G. Allen & Unwin, 1937.