APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (8th ed.) Citation

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.

Warning: These citations may not always be 100% accurate.