LaFrance, M. (2013). Why smile?: The science behind facial expressions. W.W. Norton.
Chicago Edition CitationLaFrance, Marianne. Why Smile?: The Science Behind Facial Expressions. New York: W.W. Norton, 2013.
MLA Edition CitationLaFrance, Marianne. Why Smile?: The Science Behind Facial Expressions. W.W. Norton, 2013.
Warning: These citations may not always be 100% accurate.