APA Citation

Darwin, C. (1990). The expression of emotion in man and animals. Champaign, Ill.: Project Gutenberg.

Chicago Style Citation

Darwin, Charles. The Expression of Emotion in Man and Animals. Champaign, Ill.: Project Gutenberg, 1990.

MLA Citation

Darwin, Charles. The Expression of Emotion in Man and Animals. Champaign, Ill.: Project Gutenberg, 1990.

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