Hull, D. L. Darwinism as a historical entity: A historiographic proposal / David L. Hull. The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHull, David L. "Darwinism as a Historical Entity: A Historiographic Proposal / David L. Hull." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रHull, David L. "Darwinism as a Historical Entity: A Historiographic Proposal / David L. Hull." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985), .