@book{226130,
	author = {Clark, Mary Higgins. and Clark, Carol Higgins.},
	title = {Todo está tranquilo},
	publisher = {Debolsillo},
	year = {2011.},
	address = {Barcelona},
	edition = {2. ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1001/2009455170-b.html}
}