Schullery, P. (2004). Searching for Yellowstone: Ecology and wonder in the last wilderness. Montana Historical Society Press ; Distributed by the Globe Pequot Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schullery, Paul. Searching for Yellowstone: Ecology and Wonder in the Last Wilderness. Helena, Mont. : Guilford, Conn.: Montana Historical Society Press ; Distributed by the Globe Pequot Press, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Schullery, Paul. Searching for Yellowstone: Ecology and Wonder in the Last Wilderness. Montana Historical Society Press ; Distributed by the Globe Pequot Press, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.