Williams, F. (2017). The nature fix: Why nature makes us happier, healthier, and more creative (First edition.). W.W. Norton & Company, Independent Publishers Since 1923.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Florence. The Nature Fix: Why Nature Makes Us Happier, Healthier, and More Creative. First edition. New York: W.W. Norton & Company, Independent Publishers Since 1923, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Williams, Florence. The Nature Fix: Why Nature Makes Us Happier, Healthier, and More Creative. First edition. W.W. Norton & Company, Independent Publishers Since 1923, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.