APA (7th ed.) Citation

Tolkien, J. R. R., Howe, J., & Baron, A. (1999). The hobbit: A 3-D pop-up adventure (1st American ed.). HarperFestival.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., John Howe, and Andrew Baron. The Hobbit: A 3-D Pop-up Adventure. 1st American ed. [New York]: HarperFestival, 1999.

MLA (9th ed.) Citation

Tolkien, J. R. R., et al. The Hobbit: A 3-D Pop-up Adventure. 1st American ed. HarperFestival, 1999.

Warning: These citations may not always be 100% accurate.