@book{211548,
	author = {Quadagno, Jill S.},
	title = {Aging and the life course},
	publisher = {McGraw-Hill},
	year = {c2008.},
	address = {Boston},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0703/2006938204-d.html}
}