Adams, R. F. (1969). Six-guns and saddle leather: A bibliography of books and pamphlets on western outlaws and gunmen (New ed.). University of Oklahoma Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Adams, Ramon F. Six-guns and Saddle Leather: A Bibliography of Books and Pamphlets on Western Outlaws and Gunmen. New ed. [Norman: University of Oklahoma Press, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Adams, Ramon F. Six-guns and Saddle Leather: A Bibliography of Books and Pamphlets on Western Outlaws and Gunmen. New ed. University of Oklahoma Press, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.