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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDarwin, Charles, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDarwin, Charles, और 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.
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