APA (7th ed.) Citation

Herrera, J. F., & Gómez, E. (2000). The upside down boy. Children's Book Press.

Chicago Style (17th ed.) Citation

Herrera, Juan Felipe, and Elizabeth Gómez. The Upside Down Boy. San Francisco, Calif.: Children's Book Press, 2000.

MLA (9th ed.) Citation

Herrera, Juan Felipe, and Elizabeth Gómez. The Upside Down Boy. Children's Book Press, 2000.