APA (7th ed.) Citation

Sheila, C. (2005). A Question of maths: Addition. The Brown Reference Group.

Chicago Style (17th ed.) Citation

Sheila, Cato. A Question of Maths: Addition. London: The Brown Reference Group, 2005.

MLA (9th ed.) Citation

Sheila, Cato. A Question of Maths: Addition. The Brown Reference Group, 2005.

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