APA (7th ed.) Citation

Ashburn, B., & Ng, R. (2015). I had a favorite hat. Abrams Books for Young Readers.

Chicago Style (17th ed.) Citation

Ashburn, Boni, and Robyn Ng. I Had a Favorite Hat. New York: Abrams Books for Young Readers, 2015.

MLA (8th ed.) Citation

Ashburn, Boni, and Robyn Ng. I Had a Favorite Hat. Abrams Books for Young Readers, 2015.

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