Darwin, C. (1990). The expression of emotion in man and animals. Champaign, Ill.: Project Gutenberg.
Chicago Style CitationDarwin, Charles. The Expression of Emotion in Man and Animals. Champaign, Ill.: Project Gutenberg, 1990.
MLA CitationDarwin, Charles. The Expression of Emotion in Man and Animals. Champaign, Ill.: Project Gutenberg, 1990.
Warning: These citations may not always be 100% accurate.