APA (7th ed.) Citation

Brown, D., & Michael, P. (2009). The lost symbol (Unabridged.). Random House Audio.

Chicago Style (17th ed.) Citation

Brown, Dan, and Paul Michael. The Lost Symbol. Unabridged. New York: Random House Audio, 2009.

MLA (8th ed.) Citation

Brown, Dan, and Paul Michael. The Lost Symbol. Unabridged. Random House Audio, 2009.

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