Smith, W. G. (1900). George Allen, LL.D.: Read before the Society of the Alumni of the University of Pennsylvania at Houston Hall, June 13, 1900. Philadelphia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smith, Walter George. George Allen, LL.D.: Read Before the Society of the Alumni of the University of Pennsylvania at Houston Hall, June 13, 1900. Philadelphia, 1900.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Smith, Walter George. George Allen, LL.D.: Read Before the Society of the Alumni of the University of Pennsylvania at Houston Hall, June 13, 1900. Philadelphia, 1900.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.