Sturgis, W. (1845). The Oregon question: Substance of a lecture before the Mercantile library association, delivered January 22, 1845. Jordan, Swift & Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sturgis, William. The Oregon Question: Substance of a Lecture Before the Mercantile Library Association, Delivered January 22, 1845. Boston: Jordan, Swift & Wiley, 1845.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sturgis, William. The Oregon Question: Substance of a Lecture Before the Mercantile Library Association, Delivered January 22, 1845. Jordan, Swift & Wiley, 1845.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.