APA (7th ed.) Citation

Brown, M. W., & Katz, K. (2009). Sleepy ABC. HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Brown, Margaret Wise, and Karen Katz. Sleepy ABC. New York: HarperCollinsPublishers, 2009.

MLA (8th ed.) Citation

Brown, Margaret Wise, and Karen Katz. Sleepy ABC. HarperCollinsPublishers, 2009.

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