@book{1934,
	author = {Boyd, Robert, and Richerson, Peter J.},
	title = {The origin and evolution of cultures /},
	publisher = {Oxford University Press,},
	year = {2005.},
	address = {Oxford ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0617/2004043408-d.html}
}