APA (7th ed.) Citation

Lennard, K., & Gulliksen, E. (2009). Little genius: Digestion. Random House Children's Books.

Chicago Style (17th ed.) Citation

Lennard, Kate, and Eivind Gulliksen. Little Genius: Digestion. London: Random House Children's Books, 2009.

MLA (9th ed.) Citation

Lennard, Kate, and Eivind Gulliksen. Little Genius: Digestion. Random House Children's Books, 2009.