APA (7th ed.) Citation

Peretti, F., & Ahn, A. (2017). Invitation: Harbingers series, book 1 (Unabridged.). Recorded Books.

Chicago Style (17th ed.) Citation

Peretti, Frank, and Ali Ahn. Invitation: Harbingers Series, Book 1. Unabridged. Prince Frederick: Recorded Books, 2017.

MLA (8th ed.) Citation

Peretti, Frank, and Ali Ahn. Invitation: Harbingers Series, Book 1. Unabridged. Recorded Books, 2017.

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