APA (7th ed.) Zitazioa

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.

Chicago Style (17th ed.) Zitazioa

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.

MLA (9th ed.) Zitazioa

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.