Iverson, P. (1994). When Indians became cowboys: Native peoples and cattle ranching in the American West. University of Oklahoma Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Iverson, Peter. When Indians Became Cowboys: Native Peoples and Cattle Ranching in the American West. Norman: University of Oklahoma Press, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Iverson, Peter. When Indians Became Cowboys: Native Peoples and Cattle Ranching in the American West. University of Oklahoma Press, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.