Cita APA (7a ed.)

Obiols, A., & Subi. (2012). Stegosaurus: The friendliest dinosaur (1st ed. for the United States and Canada.). Barron's Educational Series.

Cita Chicago Style (17a ed.)

Obiols, Anna, y Subi. Stegosaurus: The Friendliest Dinosaur. 1st ed. for the United States and Canada. Hauppage, NY: Barron's Educational Series, 2012.

Cita MLA (8a ed.)

Obiols, Anna, y Subi. Stegosaurus: The Friendliest Dinosaur. 1st ed. for the United States and Canada. Barron's Educational Series, 2012.