APA (7th ed.) Citation

Bone, E., King, C., & Parker, P. (2014). Extreme sports. Usborne Publishing Ltd..

Chicago Style (17th ed.) Citation

Bone, Emily, Chris King, and Paul Parker. Extreme Sports. London: Usborne Publishing Ltd., 2014.

MLA (9th ed.) Citation

Bone, Emily, et al. Extreme Sports. Usborne Publishing Ltd., 2014.