Zeihan, P. (2020). Disunited nations: The scramble for power in an ungoverned world (First edition.). Harper Business, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zeihan, Peter. Disunited Nations: The Scramble for Power in an Ungoverned World. First edition. New York, NY: Harper Business, an imprint of HarperCollinsPublishers, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zeihan, Peter. Disunited Nations: The Scramble for Power in an Ungoverned World. First edition. Harper Business, an imprint of HarperCollinsPublishers, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.