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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shepard, Ray Anthony, و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Shepard, Ray Anthony, و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.