APA (7th ed.) Citation

Murray, W., Corby, J., & Davis, J. Lost in Piper's park. Ladybird Books Ltd.

Chicago Style (17th ed.) Citation

Murray, William, Jill Corby, and Jon Davis. Lost in Piper's Park. London: Ladybird Books Ltd.

MLA (9th ed.) Citation

Murray, William, et al. Lost in Piper's Park. Ladybird Books Ltd.