Cita APA (7a ed.)

Billingham, M., & Prebble, S. (2013). Sleepyhead (Unabridged.). HighBridge Audio.

Cita Chicago Style (17a ed.)

Billingham, Mark, y Simon Prebble. Sleepyhead. Unabridged. [Minneapolis, MN]: HighBridge Audio, 2013.

Cita MLA (8a ed.)

Billingham, Mark, y Simon Prebble. Sleepyhead. Unabridged. HighBridge Audio, 2013.

Precaución: Estas citas no son 100% exactas.