APA引文

 Engelman, R. (2008).  More: Population, nature, and what women want.  Island Press.

Trích dẫn kiểu Chicago

 Engelman, Robert.  More: Population, Nature, and What Women Want.  Island Press, 2008.

MLA引文

 Engelman, Robert.  More: Population, Nature, and What Women Want.  Island Press, 2008.

警告：这些引文格式不一定是100％准确.