Taliaferro, J. (2019). Grinnell: America's environmental pioneer and his restless drive to save the West (First edition.). Liveright Publishing Corporation, a division of W.W. Norton & Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Taliaferro, John. Grinnell: America's Environmental Pioneer and His Restless Drive to Save the West. First edition. New York: Liveright Publishing Corporation, a division of W.W. Norton & Company, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Taliaferro, John. Grinnell: America's Environmental Pioneer and His Restless Drive to Save the West. First edition. Liveright Publishing Corporation, a division of W.W. Norton & Company, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.