Cita APA (7a ed.)

Helgerson, J., & Almasy, J. (2007). Horns and wrinkles (Unabridged.). Recorded Books Inc..

Cita Chicago Style (17a ed.)

Helgerson, Joseph, y Jessica Almasy. Horns and Wrinkles. Unabridged. Prince Frederick: Recorded Books Inc., 2007.

Cita MLA (8a ed.)

Helgerson, Joseph, y Jessica Almasy. Horns and Wrinkles. Unabridged. Recorded Books Inc., 2007.

Precaución: Estas citas no son 100% exactas.