APA (7th ed.) Citation

Penney, S., & Stevens, D. (2016). The invisible ones (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Penney, Stef, and Dan Stevens. The Invisible Ones. Unabridged. Prince Frederick: Recorded Books Inc., 2016.

MLA (8th ed.) Citation

Penney, Stef, and Dan Stevens. The Invisible Ones. Unabridged. Recorded Books Inc., 2016.

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