APA (7th ed.) Citation

Darwin, C., & Darwin, F. (1898). The life and letters of Charles Darwin: Including an autobiographical chapter (Authorized ed.). Appleton.

Chicago Style (17th ed.) Citation

Darwin, Charles, and Francis Darwin. The Life and Letters of Charles Darwin: Including an Autobiographical Chapter. Authorized ed. New York: Appleton, 1898.

MLA (9th ed.) Citation

Darwin, Charles, and Francis Darwin. The Life and Letters of Charles Darwin: Including an Autobiographical Chapter. Authorized ed. Appleton, 1898.