@book{1780,
	author = {Pratt, Vernon, and Howarth, Jane.},
	title = {Environment and philosophy /},
	publisher = {Routledge,},
	year = {2000.},
	address = {London ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0649/99027647-d.html}
}