Ridpath, J. C. (1890). Cyclopaedia of universal history: Being an account of the principal events in the career of the human race from the beginning of civilization to the present time. Jones Bros. Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ridpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Cincinnati: Jones Bros. Pub. Co., 1890.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ridpath, John Clark. Cyclopaedia of Universal History: Being an Account of the Principal Events in the Career of the Human Race from the Beginning of Civilization to the Present Time. Jones Bros. Pub. Co., 1890.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.