APA (7th ed.) Citation

Birkinshaw, M., & Stevenson, P. Sticker swaps. Ladybird Books.

Chicago Style (17th ed.) Citation

Birkinshaw, Marie, and Peter Stevenson. Sticker Swaps. London: Ladybird Books.

MLA (9th ed.) Citation

Birkinshaw, Marie, and Peter Stevenson. Sticker Swaps. Ladybird Books.

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