APA (7th ed.) Citation

Maynard, Songhurst, & De Saules. How your body works. Chrysalis Children's Book.

Chicago Style (17th ed.) Citation

Maynard, Songhurst, and De Saules. How Your Body Works. United Kingdom: Chrysalis Children's Book.

MLA (8th ed.) Citation

Maynard, et al. How Your Body Works. Chrysalis Children's Book.