Katz, W. L. (1992). Black people who made the Old West (1st Africa World Press Inc. ed.). Africa World Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKatz, William Loren. Black People Who Made the Old West. 1st Africa World Press Inc. ed. Trenton, N.J.: Africa World Press, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKatz, William Loren. Black People Who Made the Old West. 1st Africa World Press Inc. ed. Africa World Press, 1992.
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