Warren, R. P. (1983). Chief Joseph of the Nez Perce, who called themselves the Nimipu, "the real people": A poem. Random House.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Warren, Robert Penn. Chief Joseph of the Nez Perce, Who Called Themselves the Nimipu, "the Real People": A Poem. New York: Random House, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Warren, Robert Penn. Chief Joseph of the Nez Perce, Who Called Themselves the Nimipu, "the Real People": A Poem. Random House, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.