APA (7th ed.) Citation

Castle, R., & Petkoff, R. (2013). Storm front: A Derrick Storm novel (Unabridged.). Hyperion Audio.

Chicago Style (17th ed.) Citation

Castle, Richard, and Robert Petkoff. Storm Front: A Derrick Storm Novel. Unabridged. [Place of publication not recorded]: Hyperion Audio, 2013.

MLA (9th ed.) Citation

Castle, Richard, and Robert Petkoff. Storm Front: A Derrick Storm Novel. Unabridged. Hyperion Audio, 2013.