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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTaliaferro, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTaliaferro, 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.
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