Keene, C., & Morris, C. (2009). Pony problems (Unabridged.). Recorded Books Inc..
Cita Chicago Style (17a ed.)Keene, Carolyn, y Cassandra Morris. Pony Problems. Unabridged. Prince Frederick: Recorded Books Inc., 2009.
Cita MLA (8a ed.)Keene, Carolyn, y Cassandra Morris. Pony Problems. Unabridged. Recorded Books Inc., 2009.
Precaución: Estas citas no son 100% exactas.