APA (7th ed.) Citation

Brodie, C. S. (2003). "The Snowman" by Raymond Briggs.

Chicago Style (17th ed.) Citation

Brodie, Carolyn S. "The Snowman" by Raymond Briggs. 2003.

MLA (9th ed.) Citation

Brodie, Carolyn S. "The Snowman" by Raymond Briggs. 2003.

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