Flanagan, O. (2003). Emotional Expressions: Why Moralists Scowl, Frown, and Smile. In G. Radick & J. Hodges (Eds.), The Cambridge Companion to Darwin. Cambridge University Press.

Flanagan, O. “Emotional Expressions: Why Moralists Scowl, Frown, and Smile.” In The Cambridge Companion to Darwin, edited by G. Radick and J. Hodges. Cambridge University Press, 2003.

Flanagan O. Emotional Expressions: Why Moralists Scowl, Frown, and Smile. In: Radick G, Hodges J, editors. The Cambridge Companion to Darwin. Cambridge University Press; 2003.

Flanagan, O. “Emotional Expressions: Why Moralists Scowl, Frown, and Smile.” The Cambridge Companion to Darwin, edited by G. Radick and J. Hodges, Cambridge University Press, 2003.

Flanagan O. Emotional Expressions: Why Moralists Scowl, Frown, and Smile. In: Radick G, Hodges J, editors. The Cambridge Companion to Darwin. Cambridge University Press; 2003.