APA (7th ed.) Citation

Barlow, S., Skidmore, S., & Parkin, G. (2002). Vernon Bright and the end of the world. Puffin Books.

Chicago Style (17th ed.) Citation

Barlow, Steve, Steve Skidmore, and Geo Parkin. Vernon Bright and the End of the World. London, England: Puffin Books, 2002.

MLA (9th ed.) Citation

Barlow, Steve, et al. Vernon Bright and the End of the World. Puffin Books, 2002.