Risen, C. (2019). The crowded hour: Theodore Roosevelt, the Rough Riders, and the dawn of the American century (First Scribner hardcover edition.). Scribner.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Risen, Clay. The Crowded Hour: Theodore Roosevelt, the Rough Riders, and the Dawn of the American Century. First Scribner hardcover edition. New York: Scribner, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Risen, Clay. The Crowded Hour: Theodore Roosevelt, the Rough Riders, and the Dawn of the American Century. First Scribner hardcover edition. Scribner, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.