APA (7th ed.) Citation

Punter,Russell, & Cartwright,Stephen. (2020). Sam sheep can't sleep. Usborne Publishing Ltd.

Chicago Style (17th ed.) Citation

Punter,Russell, and Cartwright,Stephen. Sam Sheep Can't Sleep. London: Usborne Publishing Ltd, 2020.

MLA (9th ed.) Citation

Punter,Russell, and Cartwright,Stephen. Sam Sheep Can't Sleep. Usborne Publishing Ltd, 2020.

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