Darwin, C., & Burrow, J. W. (1868). The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life. Penguin Books.
Цитирование в стиле Чикаго (17-е изд.)Darwin, Charles, и J. W. Burrow. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. Penguin Books, 1868.
Цитирование MLA (9-е изд.)Darwin, Charles, и J. W. Burrow. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. Penguin Books, 1868.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.