@book{59306,
	author = {Darwin, Charles, and Burrow, J. W. and ebrary, Inc.},
	title = {The Origin of species by means of natural selection},
	publisher = {Penguin Books,},
	year = {1985.},
	series = {Penguin classics},
	address = {Harmondsworth, Middlesex, England ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10015405}
}