Roehm, M. C., Catlin, G., & Catlin, F. P. (1966). The letters of George Catlin and his family: A chronicle of the American West. University of California Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roehm, Marjorie Catlin, George Catlin, و Francis Putnam Catlin. The Letters of George Catlin and His Family: A Chronicle of the American West. Berkeley: University of California Press, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Roehm, Marjorie Catlin, et al. The Letters of George Catlin and His Family: A Chronicle of the American West. University of California Press, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.