APA (7th ed.) Citation

Christelow, E. (1997). Not until Christmas, Walter! Clarion Books.

Chicago Style (17th ed.) Citation

Christelow, Eileen. Not Until Christmas, Walter! New York: Clarion Books, 1997.

MLA (8th ed.) Citation

Christelow, Eileen. Not Until Christmas, Walter! Clarion Books, 1997.

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