APA (7th ed.) Citation

Fergus, M., & Atkinson, C. (2016). The day Santa stopped believing in Harold. Tundra Books.

Chicago Style (17th ed.) Citation

Fergus, Maureen, and Cale Atkinson. The Day Santa Stopped Believing in Harold. [Toronto, Ontario]: Tundra Books, 2016.

MLA (8th ed.) Citation

Fergus, Maureen, and Cale Atkinson. The Day Santa Stopped Believing in Harold. Tundra Books, 2016.

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