APA (7th ed.) Citation

Amery, H., & Cartwright, S. (2005). Camping out. Usborne Publishing Ltd.

Chicago Style (17th ed.) Citation

Amery, Heather, and Stephen Cartwright. Camping Out. London: Usborne Publishing Ltd, 2005.

MLA (9th ed.) Citation

Amery, Heather, and Stephen Cartwright. Camping Out. Usborne Publishing Ltd, 2005.