APA (7th ed.) Citation

Kerwin, J., Cunliffe, I., Jevons, C., Merttens, H., & Merttens, R. (2000). Ladybird I'm ready... for maths!: Multiplication and division. Ladybird Books Ltd.

Chicago Style (17th ed.) Citation

Kerwin, Jennie, Ian Cunliffe, Chris Jevons, Hilda Merttens, and Ruth Merttens. Ladybird I'm Ready... for Maths!: Multiplication and Division. London: Ladybird Books Ltd, 2000.

MLA (9th ed.) Citation

Kerwin, Jennie, et al. Ladybird I'm Ready... for Maths!: Multiplication and Division. Ladybird Books Ltd, 2000.