Smil, V. (2022). How the world really works: The science behind how we got here and where we're going (First North American edition.). Viking.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smil, Vaclav. How the World Really Works: The Science Behind How We Got Here and Where We're Going. First North American edition. [New York]: Viking, 2022.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Smil, Vaclav. How the World Really Works: The Science Behind How We Got Here and Where We're Going. First North American edition. Viking, 2022.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.