APA (7th ed.) Citation

Hazeley, J. A., & Morris, J. P. (2017). How it works: The baby. Ladybird Books Ltd.

Chicago Style (17th ed.) Citation

Hazeley, J. A., and J. P. Morris. How It Works: The Baby. Loughborough: Ladybird Books Ltd, 2017.

MLA (9th ed.) Citation

Hazeley, J. A., and J. P. Morris. How It Works: The Baby. Ladybird Books Ltd, 2017.