APA (7th ed.) Citation

Seuss, D. (2022). Dr. Seuss's sleep book. HarperCollins Children's Books.

Chicago Style (17th ed.) Citation

Seuss, Dr. Dr. Seuss's Sleep Book. London: HarperCollins Children's Books, 2022.

MLA (9th ed.) Citation

Seuss, Dr. Dr. Seuss's Sleep Book. HarperCollins Children's Books, 2022.

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