APA Style

ECONOMIST, . (2006). The Economist (Dec 23 rd 2006 - 5th Jan 2007) ; Hapiness (and how to measure it) . London: An Economist Group Buss..

MLA Style

ECONOMIST, . "The Economist (Dec 23 rd 2006 - 5th Jan 2007) ; Hapiness (and how to measure it)". London: An Economist Group Buss., 2006. Text.