Gardner, M. L. (2010). To hell on a fast horse: Billy the Kid, Pat Garrett, and the epic chase to justice in the Old West. William Morrow.
Cita Chicago Style (17a ed.)Gardner, Mark Lee. To Hell on a Fast Horse: Billy the Kid, Pat Garrett, and the Epic Chase to Justice in the Old West. New York: William Morrow, 2010.
Cita MLA (8a ed.)Gardner, Mark Lee. To Hell on a Fast Horse: Billy the Kid, Pat Garrett, and the Epic Chase to Justice in the Old West. William Morrow, 2010.
Precaución: Estas citas no son 100% exactas.