Redding, A. C., & Imamura, Y. (2021). The gravity tree: The true story of a tree that inspired the world (First edition.). Harper, an imprint of HarperCollins Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Redding, Anna Crowley, و Yasmin Imamura. The Gravity Tree: The True Story of a Tree That Inspired the World. First edition. New York, NY: Harper, an imprint of HarperCollins Publishers, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Redding, Anna Crowley, و Yasmin Imamura. The Gravity Tree: The True Story of a Tree That Inspired the World. First edition. Harper, an imprint of HarperCollins Publishers, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.