@book{205752,
	author = {Greenstein, Theodore N.},
	title = {Methods of family research},
	publisher = {Sage Pulications},
	year = {c2006.},
	address = {Thousand Oaks, Calif.},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0517/2005023034.html}
}