APA (7th ed.) Citation

Watson, H., Ferrero, M., & Jeffries, S. (2018). 199 things in nature. Usborne Publishing Ltd..

Chicago Style (17th ed.) Citation

Watson, Hannah, Mar Ferrero, and Stephanie Jeffries. 199 Things in Nature. London: Usborne Publishing Ltd., 2018.

MLA (8th ed.) Citation

Watson, Hannah, et al. 199 Things in Nature. Usborne Publishing Ltd., 2018.