APA引文

Freeman, C. (1978). World futures: The great bebate. England: Martin Roberson.

Trích dẫn kiểu Chicago

Freeman, Chrisopher. World Futures: The Great Bebate. England: Martin Roberson, 1978.

MLA引文

Freeman, Chrisopher. World Futures: The Great Bebate. England: Martin Roberson, 1978.

警告：这些引文格式不一定是100％准确.