APA (7th ed.) Citation

Grabenstein, C., & Heyborne, K. (2020). The smartest kid in the universe, book 1 (Unabridged.). Listening Library.

Chicago Style (17th ed.) Citation

Grabenstein, Chris, and Kirby Heyborne. The Smartest Kid in the Universe, Book 1. Unabridged. New York: Listening Library, 2020.

MLA (8th ed.) Citation

Grabenstein, Chris, and Kirby Heyborne. The Smartest Kid in the Universe, Book 1. Unabridged. Listening Library, 2020.

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