Cita APA

Darwin, C. (2013). The expression of the emotions in man and animals. Cambridge University.

Citación estilo Chicago

Darwin, Charles. The Expression of the Emotions in Man and Animals. London: Cambridge University, 2013.

Cita MLA

Darwin, Charles. The Expression of the Emotions in Man and Animals. Cambridge University, 2013.

Warning: These citations may not always be 100% accurate.