@book{34690,
	author = {Malthus, T. R. and Gilbert, Geoffrey,},
	title = {An essay on the principle of population /},
	publisher = {Oxford University Press,},
	year = {2008.},
	series = {Oxford world's classics},
	address = {Oxford ;},
	note = {"First published as a World's classics paperback 1993"--T.p. verso.}
}