APA (7th ed.) Citation

Koll, H., & Mills, S. (2008). Understanding shapes and measures: Ages 9-10. A & C Black Publishers Ltd.

Chicago Style (17th ed.) Citation

Koll, Hilary, and Steve Mills. Understanding Shapes and Measures: Ages 9-10. London: A & C Black Publishers Ltd, 2008.

MLA (9th ed.) Citation

Koll, Hilary, and Steve Mills. Understanding Shapes and Measures: Ages 9-10. A & C Black Publishers Ltd, 2008.