APA (7th ed.) Citation

Kemp, A., & Ogilvie, S. (2012). The worst princess (1st American ed.). Random House Children's Books.

Chicago Style (17th ed.) Citation

Kemp, Anna, and Sara Ogilvie. The Worst Princess. 1st American ed. New York: Random House Children's Books, 2012.

MLA (9th ed.) Citation

Kemp, Anna, and Sara Ogilvie. The Worst Princess. 1st American ed. Random House Children's Books, 2012.