Castle, R., & Ptekoff, R. (2013). Storm front. Hyperion Audio.
Cita Chicago Style (17a ed.)Castle, Richard, y Robert Ptekoff. Storm Front. [Place of publication not recorded]: Hyperion Audio, 2013.
Cita MLA (8a ed.)Castle, Richard, y Robert Ptekoff. Storm Front. Hyperion Audio, 2013.
Precaución: Estas citas no son 100% exactas.