Curtis, G. W. (1856). The duty of the American scholar to politics and the times: An oration, delivered on Tuesday, August 5, 1856, before the literary societies of Wesleyan University, Middletown, Conn. Dix, Edwards.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Curtis, George William. The Duty of the American Scholar to Politics and the Times: An Oration, Delivered on Tuesday, August 5, 1856, Before the Literary Societies of Wesleyan University, Middletown, Conn. New York: Dix, Edwards, 1856.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Curtis, George William. The Duty of the American Scholar to Politics and the Times: An Oration, Delivered on Tuesday, August 5, 1856, Before the Literary Societies of Wesleyan University, Middletown, Conn. Dix, Edwards, 1856.
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