United States. National Park Service, Bailey, V., & Bailey, F. M. (1918). Wild animals of Glacier National Park: The mammals, with notes on physiography and life zones. Gov't. print. off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. National Park Service, Vernon Bailey, و Florence Merriam Bailey. Wild Animals of Glacier National Park: The Mammals, with Notes on Physiography and Life Zones. Washington: Gov't. print. off., 1918.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. National Park Service, et al. Wild Animals of Glacier National Park: The Mammals, with Notes on Physiography and Life Zones. Gov't. print. off., 1918.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.