Darwin, C., & Darwin, F. (1929). Autobiography of Charles Darwin: With two appendices. comprising a chapter of reminiscences and a statement of Charles Darwin's religious views. Watts.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Darwin, Charles, و Francis Darwin. Autobiography of Charles Darwin: With Two Appendices. Comprising a Chapter of Reminiscences and a Statement of Charles Darwin's Religious Views. London: Watts, 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Darwin, Charles, و Francis Darwin. Autobiography of Charles Darwin: With Two Appendices. Comprising a Chapter of Reminiscences and a Statement of Charles Darwin's Religious Views. Watts, 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.