APA引文

Eucken, W. (1951). This unsuccessful age: The pains of economic progress. London: William Hodge and Company, LTd.

Trích dẫn kiểu Chicago

Eucken, Walter. This Unsuccessful Age: The Pains of Economic Progress. London: William Hodge and Company, LTd, 1951.

MLA引文

Eucken, Walter. This Unsuccessful Age: The Pains of Economic Progress. London: William Hodge and Company, LTd, 1951.

警告：這些引文格式不一定是100％准確.