APA (7th ed.) Citation

Gabaldon, D., & Porter, D. (1997). Outlander. Recorded Books.

Chicago Style (17th ed.) Citation

Gabaldon, Diana, and Davina Porter. Outlander. Prince Frederick, Md.: Recorded Books, 1997.

MLA (8th ed.) Citation

Gabaldon, Diana, and Davina Porter. Outlander. Recorded Books, 1997.

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