Cita APA (7a ed.)

Patterson, J., & Sala, E. (2005). The angel experiment (Unabridged.). Recorded Books Inc..

Cita Chicago Style (17a ed.)

Patterson, James, y Ed Sala. The Angel Experiment. Unabridged. Prince Frederick: Recorded Books Inc., 2005.

Cita MLA (8a ed.)

Patterson, James, y Ed Sala. The Angel Experiment. Unabridged. Recorded Books Inc., 2005.

Precaución: Estas citas no son 100% exactas.