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..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.
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