Crouch, G. (2018). The bonanza king: John Mackay and the battle over the greatest riches in the American West (First Scribner hardcover edition.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrouch, Gregory. The Bonanza King: John Mackay and the Battle over the Greatest Riches in the American West. First Scribner hardcover edition. New York: Scribner, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrouch, Gregory. The Bonanza King: John Mackay and the Battle over the Greatest Riches in the American West. First Scribner hardcover edition. Scribner, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.