APA (7th ed.) Citation

Heller, R. (2014). Chickens aren't the only ones: A book about animals that lay eggs. Puffin Books.

Chicago Style (17th ed.) Citation

Heller, Ruth. Chickens Aren't the Only Ones: A Book About Animals That Lay Eggs. New York: Puffin Books, 2014.

MLA (9th ed.) Citation

Heller, Ruth. Chickens Aren't the Only Ones: A Book About Animals That Lay Eggs. Puffin Books, 2014.