APA (7th ed.) Citation

Jerry Smith & W. Awdry. (2008). Henry: The green engine. Egmont.

Chicago Style (17th ed.) Citation

Jerry Smith and W. Awdry. Henry: The Green Engine. London: Egmont, 2008.

MLA (9th ed.) Citation

Jerry Smith and W. Awdry. Henry: The Green Engine. Egmont, 2008.

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