APA (7th ed.) Citation

Applegate, K., & Grupper, A. (2013). The one and only Ivan. HarperAudio.

Chicago Style (17th ed.) Citation

Applegate, Katherine, and Adam Grupper. The One and Only Ivan. [New York]: HarperAudio, 2013.

MLA (8th ed.) Citation

Applegate, Katherine, and Adam Grupper. The One and Only Ivan. HarperAudio, 2013.

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