Darwin, C., Ekman, P., & Prodger, P. (1999). The expression of the emotions in man and animals: Charles Darwin (3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger.). Harper Collins Publ..
Citazione stile Chigago Style (17a edizione)Darwin, Charles, Paul Ekman, e Philip Prodger. The Expression of the Emotions in Man and Animals: Charles Darwin. 3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger. London: Harper Collins Publ., 1999.
Citatione MLA (8a ed.)Darwin, Charles, et al. The Expression of the Emotions in Man and Animals: Charles Darwin. 3d ed. / with an introd., afterword and comm. by Paul Ekman. Essay on the history of the illustrations by Philip Prodger. Harper Collins Publ., 1999.