Dorion, C. (2020). Darwin's rival: Alfred Russel Wallace and the search for evolution (First U.S. edition.). Candlewick Studio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDorion, Christiane. Darwin's Rival: Alfred Russel Wallace and the Search for Evolution. First U.S. edition. Somerville, Massachusetts: Candlewick Studio, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDorion, Christiane. Darwin's Rival: Alfred Russel Wallace and the Search for Evolution. First U.S. edition. Candlewick Studio, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.