APA (7th ed.) Citation

Darwin, C. (1872). The expression of the emotions in man and animals. Murray.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Expression of the Emotions in Man and Animals. London: Murray, 1872.

MLA (9th ed.) Citation

Darwin, Charles. The Expression of the Emotions in Man and Animals. Murray, 1872.

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