Cita APA (7a ed.)

Johnson, C., & Guidall, G. (2013). A serpent's tooth (Unabridged.). Recorded Books Inc..

Cita Chicago Style (17a ed.)

Johnson, Craig, y George Guidall. A Serpent's Tooth. Unabridged. Prince Frederick: Recorded Books Inc., 2013.

Cita MLA (8a ed.)

Johnson, Craig, y George Guidall. A Serpent's Tooth. Unabridged. Recorded Books Inc., 2013.

Precaución: Estas citas no son 100% exactas.