Durant, J. R. The ascent of nature in Darwin's "Descent of man": John R. Durant. The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985).
Chicago-referens (17:e uppl.)Durant, John R. "The Ascent of Nature in Darwin's "Descent of Man": John R. Durant." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985) .
MLA-referens (8:e uppl.)Durant, John R. "The Ascent of Nature in Darwin's "Descent of Man": John R. Durant." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985), .