@book{201851,
	author = {Walker, Janice R. and Taylor, Todd W.},
	title = {The Columbia guide to online style},
	publisher = {Columbia University Press},
	year = {c2006.},
	address = {New York},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0618/2006024383.html}
}