Стиль цитування APA (7-ме видання)
Darwin, C. (2001). On the origin of species by means of natural selection: Or, The Preservation of favoured races in the struggle for life. Electric Book Co..
Чикаго стиль цитування (17-те видання)
Darwin, Charles. On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life. London: Electric Book Co., 2001.
Стиль цитування MLA (9-ме видання)
Darwin, Charles. On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life. Electric Book Co., 2001.
Попередження: стилі цитування не завжди правильні на всі 100%.