APA (7th ed.) Citation

(2010). Goodnight moon ABC: An alphabet book. Harper / HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Goodnight Moon ABC: An Alphabet Book. New York: Harper / HarperCollinsPublishers, 2010.

MLA (9th ed.) Citation

Goodnight Moon ABC: An Alphabet Book. Harper / HarperCollinsPublishers, 2010.

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