APA (7th ed.) Citation

Murray, W., & Aitchison, M. Sunny days. Ladybirds Books Ltd.

Chicago Style (17th ed.) Citation

Murray, W., and M. Aitchison. Sunny Days. Loughborough: Ladybirds Books Ltd.

MLA (9th ed.) Citation

Murray, W., and M. Aitchison. Sunny Days. Ladybirds Books Ltd.

Warning: These citations may not always be 100% accurate.