Huxley, T. H., & Ruse, T. (2009). Evolution and ethics: Thomas Henry Huxley. Ed. and with a new introd. by Michael Ruse. Princeton Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHuxley, Thomas Henry, और Thomas Ruse. Evolution and Ethics: Thomas Henry Huxley. Ed. and with a New Introd. by Michael Ruse. Princeton, NJ [u.a.]: Princeton Univ. Press, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHuxley, Thomas Henry, और Thomas Ruse. Evolution and Ethics: Thomas Henry Huxley. Ed. and with a New Introd. by Michael Ruse. Princeton Univ. Press, 2009.
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