Boessenecker, J. (2020). Ride the devil's herd: Wyatt Earp's epic battle against the West's biggest outlaw gang. Hanover Square Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoessenecker, John. Ride the Devil's Herd: Wyatt Earp's Epic Battle Against the West's Biggest Outlaw Gang. Toronto, Ontario, Canada: Hanover Square Press, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoessenecker, John. Ride the Devil's Herd: Wyatt Earp's Epic Battle Against the West's Biggest Outlaw Gang. Hanover Square Press, 2020.
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