Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.