Curtis, J. (1864). Letter, To: Robert O'Reilly, Medical Cadet From: Josiah Curtis, Surgeon & Assistant Medical Director, July 15, 1864.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Curtis, Josiah. Letter, To: Robert O'Reilly, Medical Cadet From: Josiah Curtis, Surgeon & Assistant Medical Director, July 15, 1864. 1864.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Curtis, Josiah. Letter, To: Robert O'Reilly, Medical Cadet From: Josiah Curtis, Surgeon & Assistant Medical Director, July 15, 1864. 1864.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.