APA (7th ed.) Citation

Young, E., Williams, G., & Riordan, R. (2023). The 39 clues (First edition.). Graphix, an imprint of Scholastic.

Chicago Style (17th ed.) Citation

Young, Ethan, George Williams, and Rick Riordan. The 39 Clues. First edition. New York: Graphix, an imprint of Scholastic, 2023.

MLA (8th ed.) Citation

Young, Ethan, et al. The 39 Clues. First edition. Graphix, an imprint of Scholastic, 2023.

Warning: These citations may not always be 100% accurate.