APA (7th ed.) Citation

Keller, H. (1997). Merry Christmas, Geraldine. Greenwillow Books.

Chicago Style (17th ed.) Citation

Keller, Holly. Merry Christmas, Geraldine. New York: Greenwillow Books, 1997.

MLA (8th ed.) Citation

Keller, Holly. Merry Christmas, Geraldine. Greenwillow Books, 1997.

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