Scudo, F., & Acanfora, M. Darwin and Russian evolutionary biology: Francesco Scudo. Michele Acanfora. The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Scudo, Francesco, و Michele Acanfora. "Darwin and Russian Evolutionary Biology: Francesco Scudo. Michele Acanfora." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Scudo, Francesco, و Michele Acanfora. "Darwin and Russian Evolutionary Biology: Francesco Scudo. Michele Acanfora." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985), .