APA (7th ed.) Citation

Archer Helen. (2019). Thomas the tank engine: Happy birthday. Egmont.

Chicago Style (17th ed.) Citation

Archer Helen. Thomas the Tank Engine: Happy Birthday. London: Egmont, 2019.

MLA (9th ed.) Citation

Archer Helen. Thomas the Tank Engine: Happy Birthday. Egmont, 2019.

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