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.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a 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.