APA引文

Burn, D. L. (1940). The economic history of steel-making 1867-1939: A study in competition. London: Cambridge at the University press.

Trích dẫn kiểu Chicago

Burn, D. L. The Economic History of Steel-making 1867-1939: A Study in Competition. London: Cambridge at the University press, 1940.

MLA引文

Burn, D. L. The Economic History of Steel-making 1867-1939: A Study in Competition. London: Cambridge at the University press, 1940.

警告：這些引文格式不一定是100％准確.