APA (7th ed.) Citation

Colfer, E., Adams, D., & Hitchhikers's guide to the galaxy. (2009). And another thing ..: Douglas Adam's Hitchhiker's guide to the galaxy, part six fo three (Fist edition.). Hyperion.

Chicago Style (17th ed.) Citation

Colfer, Eoin, Douglas Adams, and Hitchhikers's guide to the galaxy. And Another Thing ..: Douglas Adam's Hitchhiker's Guide to the Galaxy, Part Six Fo Three. Fist edition. New York: Hyperion, 2009.

MLA (8th ed.) Citation

Colfer, Eoin, et al. And Another Thing ..: Douglas Adam's Hitchhiker's Guide to the Galaxy, Part Six Fo Three. Fist edition. Hyperion, 2009.