APA引文

Perry, W. J. (1987). Technologies to maintain biological diversity. Washington: Congress of the United States.

Trích dẫn kiểu Chicago

Perry, William J. Technologies to Maintain Biological Diversity. Washington: Congress of the United States, 1987.

MLA引文

Perry, William J. Technologies to Maintain Biological Diversity. Washington: Congress of the United States, 1987.

警告：這些引文格式不一定是100％准確.