@book{29706,
	author = {Valentine, Charles Wilfred,},
	title = {The psychology of early childhood :},
	publisher = {Methuen & co. ltd,},
	year = {1950},
	address = {London :},
	edition = {4th ed.},
	note = {"First published, June 25th, 1942 ... Third edition, 1946."}
}