Cita APA (7th ed.)

Darwin, C., & Barlow, N. (1958). The autobiography of Charles Darwin, 1809-1882. Norton.

Cita Chicago (17th ed.)

Darwin, Charles, i Nora Barlow. The Autobiography of Charles Darwin, 1809-1882. New York: Norton, 1958.

Cita MLA (9th ed.)

Darwin, Charles, i Nora Barlow. The Autobiography of Charles Darwin, 1809-1882. Norton, 1958.