APA (7th ed.) Citation

Northcott, R. (2005). How's the weather: Activity book. Oxford University Press.

Chicago Style (17th ed.) Citation

Northcott, Richard. How's the Weather: Activity Book. Oxford: Oxford University Press, 2005.

MLA (8th ed.) Citation

Northcott, Richard. How's the Weather: Activity Book. Oxford University Press, 2005.