APA (7th ed.) Citation

Darwin, C., Ekman, P., & Prodger, P. (1998). The expression of the emotions in man and animals (Third edition.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Darwin, Charles, Paul Ekman, and Phillip Prodger. The Expression of the Emotions in Man and Animals. Third edition. Oxford ; New York: Oxford Univ. Press, 1998.

MLA (9th ed.) Citation

Darwin, Charles, et al. The Expression of the Emotions in Man and Animals. Third edition. Oxford Univ. Press, 1998.