APA (7th ed.) Citation

Rey, H. A., & Rey, H. A. (1985). Curious George gets a medal. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Rey, H. A., and H. A. Rey. Curious George Gets a Medal. Boston: Houghton Mifflin, 1985.

MLA (9th ed.) Citation

Rey, H. A., and H. A. Rey. Curious George Gets a Medal. Houghton Mifflin, 1985.