APA (7th ed.) Citation

Lionni, L. (2009). Little blue and little yellow: A story for Pippo and Ann and other children. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Lionni, Leo. Little Blue and Little Yellow: A Story for Pippo and Ann and Other Children. New York: Alfred A. Knopf, 2009.

MLA (8th ed.) Citation

Lionni, Leo. Little Blue and Little Yellow: A Story for Pippo and Ann and Other Children. Alfred A. Knopf, 2009.

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