APA引文

Clark, C. (1967). The economics of subsistence agriculture. New York: St. Martin's P.

Trích dẫn kiểu Chicago

Clark, Colin. The Economics of Subsistence Agriculture. New York: St. Martin's P, 1967.

MLA引文

Clark, Colin. The Economics of Subsistence Agriculture. New York: St. Martin's P, 1967.

警告：這些引文格式不一定是100％准確.