APA (7th ed.) Citation

Martin, M., & Florian, M. (2013). Princess Stella gets sad. Picture Window Books.

Chicago Style (17th ed.) Citation

Martin, Molly, and Melanie Florian. Princess Stella Gets Sad. North Mankato, Minn.: Picture Window Books, 2013.

MLA (9th ed.) Citation

Martin, Molly, and Melanie Florian. Princess Stella Gets Sad. Picture Window Books, 2013.