Cita APA (7a ed.)

Mass, W., & Turetsky, M. (2013). Pi in the sky (Unabridged.). Recorded Books Inc..

Cita Chicago Style (17a ed.)

Mass, Wendy, y Mark Turetsky. Pi in the Sky. Unabridged. Prince Frederick: Recorded Books Inc., 2013.

Cita MLA (8a ed.)

Mass, Wendy, y Mark Turetsky. Pi in the Sky. Unabridged. Recorded Books Inc., 2013.

Precaución: Estas citas no son 100% exactas.