Cita APA (7th ed.)

Duchenne de Boulogne, G., & Cuthbertson, R. A. (2003). The mechanism of human facial expression: By G.-B. Duchenne de Boulogne. Ed. and transl. by R. Andrew Cuthbertson. Cambridge Univ. Press.

Cita Chicago (17th ed.)

Duchenne de Boulogne, Guillaume-Benjamin, i R. Andrew Cuthbertson. The Mechanism of Human Facial Expression: By G.-B. Duchenne De Boulogne. Ed. and Transl. by R. Andrew Cuthbertson. Cambridge: Cambridge Univ. Press, 2003.

Cita MLA (8th ed.)

Duchenne de Boulogne, Guillaume-Benjamin, i R. Andrew Cuthbertson. The Mechanism of Human Facial Expression: By G.-B. Duchenne De Boulogne. Ed. and Transl. by R. Andrew Cuthbertson. Cambridge Univ. Press, 2003.