Darwin Charles. (1998). The expression of the emotions in man and animals. Definitive edition. With an Introduction, Afterword and Commentaries by Paul Ekman. Essay on the history of the illustrations by Philip Prodger (3a. ed.). Harper Collins Publishers.
Cita Chicago (17th ed.)Darwin Charles. The Expression of the Emotions in Man and Animals. Definitive Edition. With an Introduction, Afterword and Commentaries by Paul Ekman. Essay on the History of the Illustrations by Philip Prodger. 3a. ed. Londres: Harper Collins Publishers, 1998.
Cita MLA (9th ed.)Darwin Charles. The Expression of the Emotions in Man and Animals. Definitive Edition. With an Introduction, Afterword and Commentaries by Paul Ekman. Essay on the History of the Illustrations by Philip Prodger. 3a. ed. Harper Collins Publishers, 1998.