APA (7th ed.) Citation

Darwin, C. (1965). The expression of the emotions in man and animals. University of Chicago Press.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Expression of the Emotions in Man and Animals. Chocago: University of Chicago Press, 1965.

MLA (9th ed.) Citation

Darwin, Charles. The Expression of the Emotions in Man and Animals. University of Chicago Press, 1965.

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