Cita APA (7a ed.)

Gibbs, S., & Frazier, G. (2017). Spy school secret service (Unabridged.). Simon & Schuster Audio.

Cita Chicago Style (17a ed.)

Gibbs, Stuart, y Gibson Frazier. Spy School Secret Service. Unabridged. New York: Simon & Schuster Audio, 2017.

Cita MLA (8a ed.)

Gibbs, Stuart, y Gibson Frazier. Spy School Secret Service. Unabridged. Simon & Schuster Audio, 2017.

Precaución: Estas citas no son 100% exactas.