Kilmeade, B. (2021). The president and the freedom fighter: Abraham Lincoln, Frederick Douglass, and their battle to save America's soul (First large print edition.). Random House Large Print.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kilmeade, Brian. The President and the Freedom Fighter: Abraham Lincoln, Frederick Douglass, and Their Battle to Save America's Soul. First large print edition. New York: Random House Large Print, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kilmeade, Brian. The President and the Freedom Fighter: Abraham Lincoln, Frederick Douglass, and Their Battle to Save America's Soul. First large print edition. Random House Large Print, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.