Shepard, R. A., & Christie, R. G. (2023). A long time coming: A lyrical biography of race in America from Ona Judge to Barack Obama (First edition.). Calkins Creek, an imprint of Astra Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShepard, Ray Anthony, और R. Gregory Christie. A Long Time Coming: A Lyrical Biography of Race in America from Ona Judge to Barack Obama. First edition. New York: Calkins Creek, an imprint of Astra Books for Young Readers, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShepard, Ray Anthony, और R. Gregory Christie. A Long Time Coming: A Lyrical Biography of Race in America from Ona Judge to Barack Obama. First edition. Calkins Creek, an imprint of Astra Books for Young Readers, 2023.
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